Patriot Exhaust H8403 1 5/8" Full Length Header Ford Mustang Small Block Ford 64-73 Raw Steel

Patriot Exhaust H8403 1 5/8" Full Length Header Ford Mustang Small Block Ford 64-73 Raw Steel

Part Number: H8403 / UPC 694342512248
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Highlights

  • Full length headers are typically used for higher RPM horsepower, but can also increase the mid range torque in applications were there is room to fit a long tube design.
  • Durable 18-gauge tubing
  • Comes complete with gaskets, header bolts and collector reducers.
  • Available in three finishes; raw steel for individual customizing, Hi-Temp Black Coating or Metallic Ceramic Thermal Barrier Coating
  • Limited One Year Warranty

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.

  • 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

All Patriot headers and exhaust products are guaranteed, to the original purchaser, to be free of defects in materials and workmanship for one year. This warranty covers the replacement or repair of the product only and does not cover the cost of removal and installation, customer applied aftermarket coatings or any other discoloration or corrosion of finished surfaces. Damage or product failure resulting from collision,improper installation, off-road use, road hazards, the use of exhaust insulting wrap or like products or rust occurring after installation, is not covered by the warranty. Should a part become defective it should be returned to the original selling retailer and must be accompanied with the original sales receipt. If there is no retailer in your area, call the factory for a return authorization and return your part prepaid to the factory for inspection. PerTronix reserves the right to replace or repair the alleged defective part and return the part freight collect.

Reviews

Patriot Exhaust H8403 1 5/8" Full Length Header Ford Mustang Small Block Ford 64-73 Raw Steel

Patriot Exhaust H8403 1 5/8" Full Length Header Ford Mustang Small Block Ford 64-73 Raw Steel

Part Number: H8403 / UPC 694342512248
Regular price $324.45
Sale price $324.45 Regular price

Part Number: H8403 / UPC 694342512248
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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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Highlights

  • Full length headers are typically used for higher RPM horsepower, but can also increase the mid range torque in applications were there is room to fit a long tube design.
  • Durable 18-gauge tubing
  • Comes complete with gaskets, header bolts and collector reducers.
  • Available in three finishes; raw steel for individual customizing, Hi-Temp Black Coating or Metallic Ceramic Thermal Barrier Coating
  • Limited One Year Warranty

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.

  • 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

All Patriot headers and exhaust products are guaranteed, to the original purchaser, to be free of defects in materials and workmanship for one year. This warranty covers the replacement or repair of the product only and does not cover the cost of removal and installation, customer applied aftermarket coatings or any other discoloration or corrosion of finished surfaces. Damage or product failure resulting from collision,improper installation, off-road use, road hazards, the use of exhaust insulting wrap or like products or rust occurring after installation, is not covered by the warranty. Should a part become defective it should be returned to the original selling retailer and must be accompanied with the original sales receipt. If there is no retailer in your area, call the factory for a return authorization and return your part prepaid to the factory for inspection. PerTronix reserves the right to replace or repair the alleged defective part and return the part freight collect.

Reviews

Applications

Year / Make / Model 1966-1967 Ford Fairlane
Engine Type V8
Engine Size(s) Cubic Inches: 289
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1968-1970 Ford Fairlane
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1969-1970 Ford Fairlane
Engine Type V8
Engine Size(s) Cubic Inches: 351
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1966-1968 Ford Falcon
Engine Type V8
Engine Size(s) Cubic Inches: 289
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1968-1970 Ford Falcon
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1969-1970 Ford Falcon
Engine Type V8
Engine Size(s) Cubic Inches: 351
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1970-1974 Ford Maverick
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1971-1974 Ford Maverick
Engine Type V8
Engine Size(s) Cubic Inches: 289
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1975-1977 Ford Maverick
Engine Type V8
Engine Size(s) Cubic Inches: 289, 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1964-1968 Ford Mustang
Engine Type V8
Engine Size(s) Cubic Inches: 289
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1964 Ford Mustang
Engine Type V8
Engine Size(s) Cubic Inches: 260
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1969-1973 Ford Mustang
Engine Type V8
Engine Size(s) Cubic Inches: 351
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1970-1972 Ford Mustang
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1966-1967 Ford Ranchero
Engine Type V8
Engine Size(s) Cubic Inches: 289
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1968-1973 Ford Ranchero
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1969-1973 Ford Ranchero
Engine Type V8
Engine Size(s) Cubic Inches: 351
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1968-1973 Ford Torino
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1969-1973 Ford Torino
Engine Type V8
Engine Size(s) Cubic Inches: 351
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1967-1968 Mercury Cyclone
Engine Type V8
Engine Size(s) Cubic Inches: 289
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1968-1971 Mercury Cyclone
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1969-1971 Mercury Cyclone
Engine Type V8
Engine Size(s) Cubic Inches: 351
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1966-1968 Mercury Comet
Engine Type V8
Engine Size(s) Cubic Inches: 289
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1968-1969 Mercury Comet
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1971-1974 Mercury Comet
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1969 Mercury Comet
Engine Type V8
Engine Size(s) Cubic Inches: 351
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1975-1977 Mercury Comet
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1967-1968 Mercury Cougar
Engine Type V8
Engine Size(s) Cubic Inches: 289
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1968-1970 Mercury Cougar
Engine Type V8
Engine Size(s) Cubic Inches: 302
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1969-1973 Mercury Cougar
Engine Type V8
Engine Size(s) Cubic Inches: 351
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1968 Mercury Montego
Engine Type V8
Engine Size(s) Cubic Inches: 289
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

Year / Make / Model 1969-1973 Mercury Montego
Engine Type V8
Engine Size(s) Cubic Inches: 351
Notes
  • Will fit with C6 transmission
  • Will not fit GT40 P heads
  • Will fit with T5 Transmission with Cable, Hydraulic, or stock Z bar clutch actuation
  • Will NOT Fit with AOD transmission
  • Power Steering cars require H7609 Bracket

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