Patriot Exhaust H8403-B 1 5/8" Full Length Header Ford Mustang Small Block Ford 64-73 Hi-Temp Black Coating

Patriot Exhaust H8403-B 1 5/8" Full Length Header Ford Mustang Small Block Ford 64-73 Hi-Temp Black Coating

Part Number: H8403-B / UPC 694342543303
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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

Ford - Mustang

Years:
1967-1973
Engine:
260-351W
EO Code:
EO Code 2
Tube Size:
1 5/8"
Collector Size:
3"
Port Shape:
REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Fairlane, Torino

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC

    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

    Patriot Exhaust H8403-B 1 5/8" Full Length Header Ford Mustang Small Block Ford 64-73 Hi-Temp Black Coating

    Patriot Exhaust H8403-B 1 5/8" Full Length Header Ford Mustang Small Block Ford 64-73 Hi-Temp Black Coating

    Part Number: H8403-B / UPC 694342543303
    Regular price $343.95
    Sale price $343.95 Regular price

    Part Number: H8403-B / UPC 694342543303
    Does This part fit My vehicle?
    View All Vehicle Applications

    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
    Emissions code

    Emissions Code

    Continue Reading to Understand Emissions Codes

    Complete Your Installation

    View full details

    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

    Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Mustang

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC
  • 91 - Y Pipe available part number H1100
  • 98 - Fits with C-6 transmission.
  • 99 - Does not fit 1971-73 Mustang/Cougar with manual transmission.
  • 221 - Will fit with Borgeson Power Steering Box Conversion
  • 228 - Will not fit GT40 "P" head
  • 229 - Will fit T-5 transmission with hydraulic clutch or stock Z Bar
  • Ford - Fairlane, Torino

    Years:
    1967-1973
    Engine:
    260-351W
    EO Code:
    EO Code 2
    Tube Size:
    1 5/8"
    Collector Size:
    3"
    Port Shape:
    REC

    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 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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