Product Summary

Long Tube Header Tube Type, Square Exhaust Port Shape

  • This is the best choice for a GM 604 crate motor
  • Flange is made from 1/4" steel with a squared-style port
  • Features longer primaries for maximum torque and horsepower
  • Primaries measure 1-5/8"- 1-3/4" and has a 3" diameter collector
  • Made from heavy duty steel with a black painted finish for added protection
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Key Specs

MFG. Part #1185VCM-3
Header Tube TypeLong Tube
Exhaust Port ShapeSquare
Flange StyleCrate Flange
Primary Tube Diameter1-5/8 to 1-3/4"
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Need To Know

Quick and Easy Returns

Return Policy

Schoenfeld 1185VCM-3 Details

These IMCA Modified Long-Tube Headers are the best choice for your GM 604 crate motor. They feature longer 1-5/8" to 1-3/4" stepped primaries for maximum torque and horsepower.
  • 1-5/8"- 1-3/4" tube
  • 3" collector
  • Longer primaries for maximum torque and horsepower
  • Bolts and gaskets included
  • Best choice for a GM 604 crate motor
  • Fits:
    • BMS
    • Dirtworks
    • Hoffman
    • Jet
    • KMOD
    • Bob Pierce
    • Sardeson
    • Smiley's
    • Victory

Charts

Guides & Documents

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.

Schoenfeld 1185VCM-3 Specifications

KEY SPECS
MFG. Part #1185VCM-3
BrandSchoenfeld
Header Tube TypeLong Tube
Exhaust Port ShapeSquare
Flange StyleCrate Flange
Primary Tube Diameter1-5/8 to 1-3/4"
Material TypeSteel
ColorBlack
Weld-UpNo
Collector Diameter3 Inch
FinishPainted
Hardware IncludedYes
Gasket(s) IncludedYes
GENERAL
Sold in QuantityPair
Flange Thickness0.25"
Port Height1.5"
Port Width1.5"
Drivers Side Dimension A22"
Drivers Side Dimension B4"
Drivers Side Dimension C18"
Passenger Side Dimension A13"
Passenger Side Dimension B8.17"
Passenger Side Dimension C29"

Ratings & Reviews

5

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5

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Great headers

5.0

10 years ago

Wheels

Omaha

Verified

Perfect fit on the bms

Would Recommend

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Questions & Answers

1 Question • 1 Answer

Does the left side (driver side) header collector extent further straight back kind of like the right side one does?? Instead of the left one (driver side) header shooting "straight outwards" like in the picture, I'm wanting that header to shoot straight backwards like the bottom one in the picture above to almost "run along" the frame rail.

by BC

• 9 years ago

1 answer

1 of 1 questions shown

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