Product Summary

4 to 1 Header Tube Type, D-port Exhaust Port Shape

  • Primary tube diameter 1 5/8 x 1 3/4"
  • Designed specifically for the GM 604 crate engine
  • Collector has a 2 3/7" diameter and is 9" in length
  • Will fir the Arrow, BMS, Elite, GRT, SSR, TDR Chassis
  • These 4 to 1 style header are made entirely of steel for maximum strength
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Key Specs

MFG. Part #IDM-604-S1G
Header Tube Type4 to 1
Exhaust Port ShapeD-port
Flange StyleStandard
Primary Tube Diameter1-5/8 to 1-3/4"
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Need To Know

Quick and Easy Returns

Return Policy

Beyea IDM-604-S1G Details

Finding any advantage is key to success in dirt track racing; Be the first to victory lane with Beyea Headers! A proven performer and a name known around the world - Beyea Headers are a tried and tested solution to your horsepower problems. 15 years of dedicated research and design has gone into each and every header from Beyea Headers to make sure that you get every last bit of useable power out of your engine to propel you to the top step of the podium!

  • Includes gaskets
  • Open modified headers
  • Collector Length 2 3/7" x 9"
  • Primary tube 1 5/8 x 1 3/4" stepped headers
  • Turn downs 2 3/4"
  • Fits Arrow, BMS, Elite, GRT, SSR, TDR Chassis

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.

Beyea IDM-604-S1G Specifications

KEY SPECS
MFG. Part #IDM-604-S1G
BrandBeyea
Header Tube Type4 to 1
Exhaust Port ShapeD-port
Flange StyleStandard
Primary Tube Diameter1-5/8 to 1-3/4"
Material TypeSteel
ColorBlack
Weld-UpNo
FinishPainted
Hardware IncludedNo
Gasket(s) IncludedYes
Collector Reducers IncludedYes
Collector Reducer Exit Diameter2.75"
Collector Attachment TypeSlip fit
GENERAL
Sold in QuantityPair
NotesFor GM 604 Crate Engine. Single step.
Collector Length9"

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Beyea makes great headers

5.0

5 years ago

Beech Racing

Wyoming

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Quality product.

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