Product Summary

Chevy Small Block V8, Full-length Header Tube Type

  • Features laser cut flanges to clear down nozzles
  • The headers welded to clear 4" from head to inside tube
  • Primaries measure approximately 32" and are made from 18 gauge steel for added durability
  • Engineered to bolts directly onto the head of your Small Block Chevy
  • They come with a temporary black paint finish for added protection

Key Specs

MFG. Part #1025LDN
Header Tube TypeFull-length
FinishTemporary Paint
Material TypeSteel

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Swept forward for muffler clearance. Fits Chevy, Brodix Spread Port and now all Pro Spread Port pattern heads. Laser cut flanges to clear down nozzles. Headers welded to clear 4" from head to inside tube. Approximately 32" 18 ga. primary tubes and 3-1/2" x 14" collectors, may be shortened. Bolts directly to your head and comes with bolts and gaskets.


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 #1025LDN
Header Tube TypeFull-length
FinishTemporary Paint
Material TypeSteel
Flange StyleSpread Port
Primary Tube Diameter1-7/8"
Exhaust Port ShapeD-port
Collector Diameter3-1/2 Inch
Collector Length13"
Flange Thickness.25"
Port Height1.75"
Port Width1.85"
Drivers Side Dimension A9.75"
Drivers Side Dimension B13.45"
Drivers Side Dimension C30.75"
Passenger Side Dimension A10.7"
Passenger Side Dimension B13.5"
Passenger Side Dimension C32"
Hardware IncludedYes
Gasket(s) IncludedYes
Sold in QuantityPair
Collector Attachment TypeSlip fit
Collector Reducers IncludedNo