Product Summary

Chevy Small Block V8, Chassis Header Tube Type, Painted

  • Features 1-3/4" tube with 3-1/2" collector
  • Headers are non-adjustable and not a step design
  • Port dimensions are 1.7" all and 1.5" wide
  • Made from steel and has a black painted finish
  • Total collector length is 7-3/4"

Key Specs

Header Tube TypeChassis
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeSteel

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Schoenfeld 172 Details

Schoenfeld IMCA modified headers for DirtWorks, D&M, and other chassis. 1-3/4" tube with 3-1/2" collector. Not a step design. Non-adjustable.

Item Details

Not step design, 1-3/4" primary, 3-1/2" collector


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 172 Specifications

MFG. Part #172
Header Tube TypeChassis
Flange StyleStandard
Primary Tube Diameter1-3/4"
Material TypeSteel
Exhaust Port ShapeSquare
Collector Diameter3-1/2 Inch
Hardware IncludedYes
Gasket(s) IncludedYes
Collector Attachment TypeSlip fit
Collector Reducers IncludedNo
Collector Length7.75"
Flange Thickness.25"
Port Height1.7"
Port Width1.5"
Drivers Side Dimension A22.75"
Drivers Side Dimension B9.5"
Drivers Side Dimension C18.25"
Passenger Side Dimension A15"
Passenger Side Dimension B8.6"
Passenger Side Dimension C24.13"
Sold in QuantityPair