Product Summary

Chassis Header Tube Type, Square Exhaust Port Shape

  • Features longer primaries for maximum torque and horsepower
  • Will fit Rage, and other popular chassis with 23" out to inside of left side collector
  • Primary tubes have a 1-5/8" diameter and the collector has a 3" diameter
  • Headers come with a squared-style flange and all required bolts and gaskets
  • They have an all-steel construction with a black painted finish for added protection
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Key Specs

MFG. Part #1131CM2
Header Tube TypeChassis
Exhaust Port ShapeSquare
Flange StyleStandard
Primary Tube Diameter1-5/8"
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Need To Know

Quick and Easy Returns

Return Policy

Schoenfeld 1131CM2 Details

These 602 Crate Motor IMCA headers fit Rage, Harris, Elite, Longhorn,Razor and others. They have longer primaries for maximum torque and horsepower.  Bolts and gaskets included.

  • Fits Rage, Harris, Elite, Longhorn, Razor and other popular chassis
  • Longer primaries for maximum torque and horsepower
  • Bolts and gaskets included
  • 1-5/8" primary diameter with 3" x 8" collector

Guides & Documents

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.

Schoenfeld 1131CM2 Specifications

KEY SPECS
MFG. Part #1131CM2
BrandSchoenfeld
Header Tube TypeChassis
Exhaust Port ShapeSquare
Flange StyleStandard
Primary Tube Diameter1-5/8"
Material TypeSteel
ColorBlack
Weld-UpNo
Collector Diameter3 Inch
FinishPainted
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Reducers IncludedNo
Collector Attachment TypeSlip fit
GENERAL
Sold in QuantityPair
Collector Length8"
Flange Thickness0.25"
TunedNo
Crossover Pipe IncludedNo
Transmission Mount IncludedNo
Catalytic Converter(s) IncludedNo
Motor Mounts IncludedNo

Ratings & Reviews

5

1 Review

5

1 reviews

5

1

4

0

3

0

2

0

1

0

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I would buy this again but hope I won't have to.

5.0

3 years ago

Dan

Greenfield WI

Verified

These are a perfect fit and easy to install.

Would Recommend

Showing 1 of 1 reviews

Questions & Answers

1 Question • 1 Answer

I am interested in a 1131 cm2 which fits a crate motor. Will these fit a standard Chevy bolt pattern flange or exhaust flange ? What is the difference between a 1131 header and a 1131cm2 header? Thank You, Harry

by Hot Rod

• 2 years ago

1 answer

1 of 1 questions shown

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