Product Summary

Universal Fit, Lake Style Header Tube Type, Steel, Raw

  • Kit include flange plates, pre-bent tubing, collector plates, block-off plates, gaskets, bolts and flanges for connection an under-car exhaust system
  • All tubing comes pre-bent
  • Choose 3 1/2" or 4" diameter cone
  • Tapered cones can be trimmed as needed

Key Specs

Header Tube TypeLake Style
Exhaust Port ShapeRound
Flange StyleStandard
Primary Tube Diameter1-7/8"
Material TypeSteel

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Speedway Motors 9300561 Details

Vintage style street rods are hotter than ever, and nothing gives your fenderless rod an authentic dry lakes competition look like a set of lakester headers. These lake style header kits allow you to build your own weld up headers and tailor them to your vehicle. All tubing comes pre-bent. Tapered cones can be trimmed as needed. Lakester header kit includes parts to complete both sides.

  • 5/16" thick flanges
  • 16 ga. pre-bent tubing
  • Collector flanges w/ block-off plates
  • Flanges for connecting an under-car exhaust system (2" O.D.)
  • Gaskets & bolts
  • 1-7/8" primaries
  • 22.50" x 3-1/2" cones


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 9300561 Specifications

MFG. Part #9300561
BrandSpeedway Motors
Header Tube TypeLake Style
Exhaust Port ShapeRound
Flange StyleStandard
Primary Tube Diameter1-7/8"
Material TypeSteel
Collector Diameter3-1/2 Inch
Hardware IncludedYes
Gasket(s) IncludedYes
Flange Thickness.37"
Port Height1.89"
Port Width1.89"
Sold in QuantitySet
Notes22.50" x 3.50" cones. Includes (8) primary tubes, gaskets, hardware, and flanges.