Product Summary

Universal Fit, Shorty Header Tube Type, Polished

  • 2-1/2" collector
  • Not for stock wishbone

Key Specs

Header Tube TypeShorty
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeStainless Steel

Need To Know

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Speedway Motors 91013601S Details

Improve the performance and exhaust note of your 1932-53 flathead Ford V8 with these affordable, high-quality tubular steel headers. They have a compact center-dump design. The center-dump design will not work on Ford cars with stock wishbones.

  • Headers drop straight down approx. 7.5” from mount surface to bottom of collector
  • At exhaust ports, header sticks out approx. 2.25”
  • At bottom of block, collector sticks out apporx. 4.25”
  • Block flange on these headers is 7/16" thick
  • Collector Flange Outlet: 2-1/2"
  • Not for use with stock wishbone front suspension

Includes block gaskets, collector gaskets and a pair of companion 2-1/2" flanges for beginning the exhaust system (companion flanges fit 2-1/2" pipe).

Note: Stainless header tubing when exposed to exhaust temperature will cause the finish to change color which will vary with the exhaust temperature. Please note that the finish of the header when the engine is started, will change to a light champagne color to a darker gold finish and in some instance may even turn dark blue or purple. This can be polished back out when utilizing Blue-away or Simi-chrome polish, but please note that when the headers reach running temperature again, they will immediately change color.  


CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or 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 91013601S Specifications

MFG. Part #91013601S
BrandSpeedway Motors
Header Tube TypeShorty
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeStainless Steel
Exhaust Port ShapeRound
Collector Diameter2-1/2 Inch
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Attachment TypeStock flange
Collector Reducers IncludedNo
Speedway Motors Catalog Part #910-13601S
Flange Thickness.31"
Port Height1.62"
Port Width1.62"
Header Dimension A6.10"
Header Dimension B7.50"
Header Dimension C18.00"
Sold in QuantityPair