Menu

Shop

Garage

Cart

Account

Product Summary

283, 305, 307, 327, 350, 377, 383, 400, Raw, Steel

  • 1-5/8" long tube primaries for maxiumum torque and horsepower
  • Fits standard small block Chevy heads as well as angle plug heads
  • Header bolts and gaskets are included to simplify installation
  • The paint used is not intended for high temperature use and is suggested to be removed before installing on an engine

Key Specs

Header Tube TypeUpswept
FinishRaw
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeSteel

Need To Know

This Product Will Ship Free

Shipping Policies & FAQs

Quick and Easy Returns

Return Policy

Speedway Motors 91013140 Details

  • Fits Small Block Chevy
  • Standard Port
  • Bolts & gaskets included
  • High flow mandrel bent tubing

Charts

CARB Warning

For race/ off road use only

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. 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 91013140 Specifications

KEY SPECS
MFG. Part #91013140
BrandSpeedway Motors
Header Tube TypeUpswept
FinishRaw
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeSteel
ColorNatural
Weld-UpNo
Exhaust Port ShapeSquare
Collector Diameter3 Inch
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Reducers IncludedNo
GENERAL
Overall Height33.5"
Collector Length8.75"
Header Dimension A4.75"
Header Dimension B2.38"
Header Dimension C18.25"
Sold in QuantityPair