Doug's Headers - D310

Doug's Headers D310 1 5/8" 4-Tube Full Length Header Chevrolet Truck Small Block Chevrolet 73-87 Metallic Ceramic Coating

Doug's Headers D310 1 5/8" 4-Tube Full Length Header Chevrolet Truck Small Block Chevrolet 73-87 Metallic Ceramic Coating

Part Number: D310 / UPC 694342507145
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Features & Benefits

  • 3/8" Thick machined flanges to prevent warping
  • Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
  • Heavy duty 16-gauge tubing for long life
  • Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating

Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.


For the enthusiast who demands the best, Doug's Headers are not just components; they're a statement of excellence, a commitment to leading-edge performance, and a nod to the glory days of muscle cars and drag racing. Join the ranks of champions. Experience the unmatched quality and performance of Doug's Headers today.

Specifications

Finish Metallic Ceramic Coated
Material Steel
Design Full-length
Primary Tubing Diameter 1.625 IN
Collector Port Diameter 3.0 IN
Port Shape Oval
Tube Wall Thickness 16 Gauge
Flange Thickness 0.375 IN
Collector Attachment 3-Bolt Flange
EGT Port No
Oxygen Sensor Port No
Gasket Or Seal Included Yes
Mounting Hardware Included Yes
Color Silver
Sheen Level Semi-Gloss

Installation instructions

Instruction Manual
Installation Instructions

Download PDF

Shipping & Delivery

Our ignition and exhaust products ship from our warehouse in Lenexa, KS. Our normal shipping time is 2-3 business days for in-stock parts.

 Shipping Class Order Value Shipping Cost
UPS Ground $0 - 49.99 $6.99 flat rate
UPS Ground $50 - 98.99 $7.49 flat rate
UPS Ground $99+ Free

  • At this time, PerTronix does not offer expedited shipping options from our website.
  • All packages must be inspected upon receipt for any missing or damaged goods and claims for such must be made within 7 days of receipt.
  • PerTronix does not currently ship our products internationally from our web store. For international orders call 909-599-5955 or connect with us here.

Returns & Replacements

Returns at Pertronix are accepted within 90 days of purchase with prior authorization, ensuring items are in new, resalable condition. To initiate a return, call for an RGA and follow provided instructions. Customers are responsible for return shipping, using a trackable method.

Refunds exclude initial shipping and handling fees and may be subject to a restocking fee. For defective or damaged items, contact Pertronix directly. We are not responsible for user-initiated damage/loss of parts.

For complete details, visit our Returns page.

Reviews

Doug's Headers - D310

Doug's Headers D310 1 5/8" 4-Tube Full Length Header Chevrolet Truck Small Block Chevrolet 73-87 Metallic Ceramic Coating

Doug's Headers D310 1 5/8" 4-Tube Full Length Header Chevrolet Truck Small Block Chevrolet 73-87 Metallic Ceramic Coating

Part Number: D310 / UPC 694342507145
Regular price $956.45
Sale price $956.45 Regular price

Part Number: D310 / UPC 694342507145
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Need help? Call us at 909-599-5955

  • Free shipping on $99+ orders in lower 48 states
  • 90-day return policy
  • We’re here to help! Call us on 909-599-5955
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Features & Benefits

  • 3/8" Thick machined flanges to prevent warping
  • Precision formed long transition collectors and long tube design reduces backpressure and increases higher RPM horsepower
  • Heavy duty 16-gauge tubing for long life
  • Tubes are pre-polished to removed scratches before applying metallic ceramic or hi-temp black coating

Long tube headers provide the greatest increases in horsepower and torque across the entire RPM spectrum. The choice of racers worldwide, Doug's long tube headers are designed for the car owner who wants maximum power and the highest quality header on the market.


For the enthusiast who demands the best, Doug's Headers are not just components; they're a statement of excellence, a commitment to leading-edge performance, and a nod to the glory days of muscle cars and drag racing. Join the ranks of champions. Experience the unmatched quality and performance of Doug's Headers today.

Specifications

Finish Metallic Ceramic Coated
Material Steel
Design Full-length
Primary Tubing Diameter 1.625 IN
Collector Port Diameter 3.0 IN
Port Shape Oval
Tube Wall Thickness 16 Gauge
Flange Thickness 0.375 IN
Collector Attachment 3-Bolt Flange
EGT Port No
Oxygen Sensor Port No
Gasket Or Seal Included Yes
Mounting Hardware Included Yes
Color Silver
Sheen Level Semi-Gloss

Installation instructions

Instruction Manual
Installation Instructions

Download PDF

Shipping & Delivery

Our ignition and exhaust products ship from our warehouse in Lenexa, KS. Our normal shipping time is 2-3 business days for in-stock parts.

 Shipping Class Order Value Shipping Cost
UPS Ground $0 - 49.99 $6.99 flat rate
UPS Ground $50 - 98.99 $7.49 flat rate
UPS Ground $99+ Free

  • At this time, PerTronix does not offer expedited shipping options from our website.
  • All packages must be inspected upon receipt for any missing or damaged goods and claims for such must be made within 7 days of receipt.
  • PerTronix does not currently ship our products internationally from our web store. For international orders call 909-599-5955 or connect with us here.

Returns & Replacements

Returns at Pertronix are accepted within 90 days of purchase with prior authorization, ensuring items are in new, resalable condition. To initiate a return, call for an RGA and follow provided instructions. Customers are responsible for return shipping, using a trackable method.

Refunds exclude initial shipping and handling fees and may be subject to a restocking fee. For defective or damaged items, contact Pertronix directly. We are not responsible for user-initiated damage/loss of parts.

For complete details, visit our Returns page.

Reviews

Applications

Year / Make / Model 1973-1974 Chevrolet C10 Pickup
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
  • Automatic Transmission Only

Year / Make / Model 1973 Chevrolet C10 Pickup
Engine Type V8
Engine Size(s) Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.
  • Automatic Transmission Only

Year / Make / Model 1973-1974 Chevrolet Blazer
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987-1991 Chevrolet Blazer
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1973 Chevrolet Blazer
Engine Type V8
Engine Size(s) Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987 Chevrolet Blazer
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1986 Chevrolet K5 Blazer
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1979 Chevrolet K5 Blazer
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1977-1986 Chevrolet K5 Blazer
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1986 Chevrolet C10
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1976-1980 Chevrolet C10
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1977-1986 Chevrolet C10
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1973 Chevrolet C10 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1986 Chevrolet C10 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1977-1979 Chevrolet C10 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1981-1986 Chevrolet C10 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1987 Chevrolet C20
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1976-1980 Chevrolet C20
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1977-1978 Chevrolet C20
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1981-1986 Chevrolet C20
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1973 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1986 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1976-1980 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1977-1986 Chevrolet C20 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1973 Chevrolet K10 Suburban
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608.

Year / Make / Model 1973 Chevrolet K20 Suburban
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608.

Year / Make / Model 1987-1988 Chevrolet R10 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987 Chevrolet R10 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1989-1991 Chevrolet R1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987-1988 Chevrolet R20 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1989-1991 Chevrolet R2500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1973 GMC C15/C1500 Pickup
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608.

Year / Make / Model 1973-1974 GMC C15/C1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1973-1974 GMC C25/C2500 Pickup
Engine Type V8
Engine Size(s) Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1973-1974 GMC C25/C2500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1973 GMC K15/K1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608.

Year / Make / Model 1973 GMC K25/K2500 Suburban
Engine Type V8
Engine Size(s) Liters: 5.0
Cubic Inches: 307
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608.

Year / Make / Model 1979-1986 GMC C1500
Engine Type V8
Engine Size(s) Cubic Inches: 305, 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1979-1980 GMC C1500
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1979-1986 GMC C1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1979 GMC C1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1981-1986 GMC C1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1979-1986 GMC C2500
Engine Type V8
Engine Size(s) Cubic Inches: 305, 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1979 GMC C2500
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1979-1986 GMC C2500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1980 GMC C2500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1982-1986 GMC C2500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1979-1986 GMC C3500
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1979 GMC C3500
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1986 GMC C3500
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987-1991 GMC R1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987 GMC R1500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987-1989 GMC R2500 Crew Cab Pickup
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987 GMC R2500
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987-1991 GMC R2500 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987-1991 GMC R3500 Crew Cab Pickup
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987 GMC R3500 Standard Cab Pickup
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1978 GMC C15 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1977-1978 GMC C15 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1978 GMC C25 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1977-1978 GMC C25 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1978 GMC C25 Suburban
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1984 GMC Jimmy
Engine Type V8
Engine Size(s) Cubic Inches: 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1975-1979 GMC Jimmy
Engine Type V8
Engine Size(s) Cubic Inches: 400
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1977-1984 GMC Jimmy
Engine Type V8
Engine Size(s) Cubic Inches: 305
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

Year / Make / Model 1987 GMC R1500
Engine Type V8
Engine Size(s) Cubic Inches: 305, 350
Notes
  • Fits most angle plug heads.
  • Fits D-Port cylinder heads including ZZ4 crate engines. Will Not fit GM Fast Burn head PN 19300955 or SP350, SP383 & ZZ6 engines.
  • Installation requires left side A/C bracket part number H7608. 1979 and later vehicles with short compressors can use the stock bracket.

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