1963-86 Chevy/GMC Big Block 1 3/4" Mid-Length Header with Hi-Temp Black Coating

1963-86 Chevy/GMC Big Block 1 3/4" Mid-Length Header with Hi-Temp Black Coating

Part Number: D306-B
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Highlights

Mid-Length Headers, often called Clippsters, are engineered to provide superior performance gains over Manifold Replacements or Block Hugger style headers. These headers enhance your vehicle’s horsepower and torque while preserving ground clearance for cars with a lowered stance and trucks where long tube headers may hang to low.

Many direct fitments with Chevy Big Blocks (396-502) are available. Please refer to the product page for applications. This product can also be used in Chevy Big Block (396-502) engine swaps.

  • 3/8” thick machined flanges to prevent warping
  • CNC mandrel bent tubes for an accurate fit and improved flow
  • Durable 16 gauge tubing
  • 1 3/4" Primary Tubing Diameter
  • 3" Collector Port Diameter
  • Same as Port Port Shape
  • Hi-Temp Black Coating
Why pick Doug's Hi-Temp Black Coating Finish?

Built for durability without the added cost of specialty coatings, our high-temp black finish delivers clean looks and reliable protection where it counts. Designed to withstand the heat of everyday performance, this coating helps guard against rust and corrosion while maintaining a smooth, uniform appearance. The sleek black finish offers a subtle, aggressive style that holds up under real-world conditions—making it a practical, no-nonsense choice for drivers who want solid protection and a classic look without the need for thermal barrier coatings.

Specifications

Finish Hi-Temp Black Coating
Material Steel
Design Mid Length
Primary Tubing Diameter 1.75 Inches
Collector Port Diameter 3.0 Inches
Port Shape Round
Tube Wall Thickness 16 Gauge
Flange Thickness 0.375 Inches
Collector Attachment 3-Bolt Flange
Oxygen Sensor Port No
Gasket Or Seal Included Yes
Mounting Hardware Included Yes
Grade Type Performance
Color Black
Sheen Level Matte

Installation instructions

Instruction Manual
Installation Instructions
Download PDF
Applications

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 - 108.99 $7.49 flat rate
UPS Ground $109+ 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.

  • Once an item has tracking info, it cannot be cancelled. If you decide you don’t want the items after shipment, please take receipt of the item and process it via our return policy. Thank you for understanding!

Returns, Replacements & Warranty

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.

Warranty

Reviews

1963-86 Chevy/GMC Big Block 1 3/4" Mid-Length Header with Hi-Temp Black Coating

1963-86 Chevy/GMC Big Block 1 3/4" Mid-Length Header with Hi-Temp Black Coating

Part Number: D306-B
Regular price $874.11
Sale price $874.11 Regular price Save %

Sale Out of Stock
Part Number: D306-B
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Need help? Call us at 909-599-5955

Emissions code

EMISSIONS CODE

What does this emissions code mean?

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

HEADER FITMENT NOTE

Header applications are based on original engine and cylinder head port centerlines unless otherwise noted. Raised port cylinder heads will cause installation issues.

Similar Products

View full details

Highlights

Mid-Length Headers, often called Clippsters, are engineered to provide superior performance gains over Manifold Replacements or Block Hugger style headers. These headers enhance your vehicle’s horsepower and torque while preserving ground clearance for cars with a lowered stance and trucks where long tube headers may hang to low.

Many direct fitments with Chevy Big Blocks (396-502) are available. Please refer to the product page for applications. This product can also be used in Chevy Big Block (396-502) engine swaps.

  • 3/8” thick machined flanges to prevent warping
  • CNC mandrel bent tubes for an accurate fit and improved flow
  • Durable 16 gauge tubing
  • 1 3/4" Primary Tubing Diameter
  • 3" Collector Port Diameter
  • Same as Port Port Shape
  • Hi-Temp Black Coating
Why pick Doug's Hi-Temp Black Coating Finish?

Built for durability without the added cost of specialty coatings, our high-temp black finish delivers clean looks and reliable protection where it counts. Designed to withstand the heat of everyday performance, this coating helps guard against rust and corrosion while maintaining a smooth, uniform appearance. The sleek black finish offers a subtle, aggressive style that holds up under real-world conditions—making it a practical, no-nonsense choice for drivers who want solid protection and a classic look without the need for thermal barrier coatings.

Specifications

Finish Hi-Temp Black Coating
Material Steel
Design Mid Length
Primary Tubing Diameter 1.75 Inches
Collector Port Diameter 3.0 Inches
Port Shape Round
Tube Wall Thickness 16 Gauge
Flange Thickness 0.375 Inches
Collector Attachment 3-Bolt Flange
Oxygen Sensor Port No
Gasket Or Seal Included Yes
Mounting Hardware Included Yes
Grade Type Performance
Color Black
Sheen Level Matte

Installation instructions

Instruction Manual
Installation Instructions
Download PDF
Applications

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 - 108.99 $7.49 flat rate
UPS Ground $109+ 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.

  • Once an item has tracking info, it cannot be cancelled. If you decide you don’t want the items after shipment, please take receipt of the item and process it via our return policy. Thank you for understanding!

Returns, Replacements & Warranty

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.

Warranty

Reviews

1963-86 Chevy/GMC Big Block 1 3/4" Mid-Length Header with Hi-Temp Black Coating
1963-86 Chevy/GMC Big Block 1 3/4" Mid-Length Header with Hi-Temp Black Coating
Regular price $874.11
Sale price $874.11 Regular price

You may also like

Applications

Year / Make / Model 1963 Chevrolet Biscayne
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 427
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1966-1969 Chevrolet Biscayne
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 427
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1965-1969 Chevrolet Biscayne
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1972 Chevrolet Biscayne
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 402, 454
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1968-1969 Chevrolet C10 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1970-1972 Chevrolet C10 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1973-1974 Chevrolet C10 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1968-1969 Chevrolet C20 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1970-1972 Chevrolet C20 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1973-1974 Chevrolet C20 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1968 Chevrolet Chevy II
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.
  • Will not fit 67-69 Camaro or 68-74 Nova with Factory Saginaw 800 power steering box
  • Will fit OE Suspension & Detroit Speed & Engineering front subframes on 67-69 Camaro & 68-74 Nova with rack steering

Year / Make / Model 1968-1969 Chevrolet Chevelle
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1973 Chevrolet Chevelle
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1972 Chevrolet Chevelle
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1965-1969 Chevrolet Bel Air
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1966-1969 Chevrolet Bel Air
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 427
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1974 Chevrolet Bel Air
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1972 Chevrolet Bel Air
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1975-1980 Chevrolet C10
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1968-1969 Chevrolet C10 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1970-1972 Chevrolet C10 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1973-1980 Chevrolet C10 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1975-1986 Chevrolet C20
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1968-1969 Chevrolet C20 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1970-1972 Chevrolet C20 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1973-1986 Chevrolet C20 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1967-1969 Chevrolet Camaro
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.
  • Will not fit 67-69 Camaro or 68-74 Nova with Factory Saginaw 800 power steering box
  • Will fit OE Suspension & Detroit Speed & Engineering front subframes on 67-69 Camaro & 68-74 Nova with rack steering

Year / Make / Model 1969 Chevrolet Camaro
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 427
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.
  • Will not fit 67-69 Camaro or 68-74 Nova with Factory Saginaw 800 power steering box
  • Will fit OE Suspension & Detroit Speed & Engineering front subframes on 67-69 Camaro & 68-74 Nova with rack steering

Year / Make / Model 1970-1972 Chevrolet Camaro
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1966-1969 Chevrolet Caprice
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 396, 427
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1974 Chevrolet Caprice
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1972 Chevrolet Caprice
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1968-1969 Chevrolet El Camino
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1975 Chevrolet El Camino
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1972 Chevrolet El Camino
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1965-1969 Chevrolet Impala
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1966-1969 Chevrolet Impala
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 427
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1974 Chevrolet Impala
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1971-1972 Chevrolet Impala
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1973-1975 Chevrolet Malibu
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1975 Chevrolet Monte Carlo
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1970-1972 Chevrolet Monte Carlo
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.

Year / Make / Model 1969 Chevrolet Nova
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.
  • Will not fit 67-69 Camaro or 68-74 Nova with Factory Saginaw 800 power steering box
  • Will fit OE Suspension & Detroit Speed & Engineering front subframes on 67-69 Camaro & 68-74 Nova with rack steering

Year / Make / Model 1970-1972 Chevrolet Nova
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.
  • Will not fit 67-69 Camaro or 68-74 Nova with Factory Saginaw 800 power steering box
  • Will fit OE Suspension & Detroit Speed & Engineering front subframes on 67-69 Camaro & 68-74 Nova with rack steering

Year / Make / Model 1970-1971 Chevrolet Nova
Qualifier with Floor Shifter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Big block frame stands and motor mounts required for proper fit.
  • Requires removal or modification of locking steering columns if equipped.
  • Will not fit 67-69 Camaro or 68-74 Nova with Factory Saginaw 800 power steering box
  • Will fit OE Suspension & Detroit Speed & Engineering front subframes on 67-69 Camaro & 68-74 Nova with rack steering

Year / Make / Model 1968-1969 GMC C15/C1500 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1970-1972 GMC C15/C1500 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1973-1974 GMC C15/C1500 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1968-1969 GMC C15/C1500 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1970-1972 GMC C15/C1500 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1973-1974 GMC C15/C1500 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1968-1969 GMC C25/C2500 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1970-1972 GMC C25/C2500 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1973-1974 GMC C25/C2500 Pickup
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1968-1969 GMC C25/C2500 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 396
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1970-1972 GMC C25/C2500 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1973-1974 GMC C25/C2500 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1975-1978 GMC C15
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1975-1978 GMC C15 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1975-1978 GMC C25
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1975-1978 GMC C25 Suburban
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1971-1975 GMC Sprint
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 454
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1971-1972 GMC Sprint
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1974-1975 GMC Sprint
Qualifier without Catalytic Converter
Engine Type V8
Engine Size(s) Cubic Inches: 402
Notes
  • Big block frame stands and motor mounts required for proper fit.
  • Will work with 4L60E and 4L80E transmissions.

Year / Make / Model 1967-1981 Pontiac Firebird
Engine Type V8
Notes
  • Big Block Chevrolet Swap 396-502
  • Mid Length Design for Maximum Ground Clearance.
  • Will not fit with Factory Saginaw 800 power steering box.
  • Not recommended for Gen-6 502cid engines with aluminum heads.
  • Fits with manual and auto trans floor shifts only.
  • Big block frame stands and motor mounts required for proper fit.
  • Will fit OE Suspension & Detroit Speed & Engineering front subframes.

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