Product Summary

Chevy Small Block V8, Chassis Header Tube Type, Steel

  • Dirt late model headers are designed to for Small Block Chevy engines
  • They have long primaries with the collector on the outside of the frame
  • Collector has a 3-1/2" diameter and is 8-1/2" long
  • Features 3/4"x1-7/8" stepped primaries
  • Has an all steel construction with a black pained finish for added protection

Key Specs

MFG. Part #142-525LV
Header Tube TypeChassis
FinishTemporary Paint
Material TypeSteel

Need To Know

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These dirt late model standard port flange headers have long primaries with collector on the outside of the frame. 3/4" - 1-7/8" stepped primaries. 3-1/2" x 9" collectors. Small Block Chevy. Standard port design.

Fits rocket 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.


MFG. Part #142-525LV
Header Tube TypeChassis
FinishTemporary Paint
Material TypeSteel
Flange StyleStandard
Primary Tube Diameter1-3/4"
Exhaust Port ShapeD-port
Collector Diameter3-1/2 Inch
Collector Length8.5"
Drivers Side Dimension A22.35"
Drivers Side Dimension B11.90"
Drivers Side Dimension C20.75"
Passenger Side Dimension A17.30"
Passenger Side Dimension B9.85"
Passenger Side Dimension C32.00"
Hardware IncludedYes
Gasket(s) IncludedYes
Sold in QuantityPair
Collector Attachment TypeSlip fit
Collector Reducers IncludedNo