Product Summary

260, 289, 302, 5.0L, Full-Length Header Tube Type

  • Armor Hot Coat® is a Speedway Motors custom ceramic heat proof coating that will keep the finish of these headers looking great for years to come

Key Specs

Header Tube TypeFull-Length
FinishCeramic Coated
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeSteel

Need To Know

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Speedway Motors 9308403H Details

These high velocity long tube headers fit 260-289-302 V8s in 1964-73 Ford Mustangs with floor shift automatic or manual transmissions. Works with C-6 Automatic, but does NOT work with '71-'73 manual transmission. NOT for use with Dart/Windsor heads or Boss heads. These ceramic coated headers provide superior peformance and durability.
  • 1-5/8" primaries
  • 3" collectors



  • '64-'73 Mustang & Cougar
  • '66-'73 Fairlane & Torino
  • '66-'73 Fairlane & Torino (Automatic)
  • '66-'73 Falcon & Ranchero
  • '66-'69 Comet



AHC Warning: AHC coatings will burn and be damaged at exhaust temperatures over 1300 degrees. A lean fuel mixture can generate exhaust temperatures exceeding 1700-1900 degrees. If the coating is damaged due to a lean condition, the coating will not be warranted, but can be recoated for a fee.

Not legal for sale or use in California on pollution controlled vehicles

Guides & Documents

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Speedway Motors 9308403H Specifications

MFG. Part #9308403H
BrandSpeedway Motors
Header Tube TypeFull-Length
FinishCeramic Coated
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeSteel
Exhaust Port ShapeRectangle
Collector Diameter3 Inch
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Attachment Type3-bolt flange
Collector Reducers IncludedNo
Collector Length8"
Flange Thickness.31"
Port Height1.53"
Port Width1.25"
Drivers Side Dimension A8.1"
Drivers Side Dimension B16.42"
Drivers Side Dimension C36.75"
Passenger Side Dimension A6.85"
Passenger Side Dimension B16.85"
Passenger Side Dimension C34"
Sold in QuantityPair
NotesFits most: 64-73 Mustang and Couger, 66-73 Fairlane & Torino, 66-73 Falcon & Ranchero, 66-69 Comet. 66-73 Fairlane automatics.