Product Summary

Cast Iron, Ceramic Coated, 2-Bolt Flange Style

  • 2.5-inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold</li>
  • Tight tuck design that provides an exit between our standard swap manifolds and center dump manifolds (see pictures for diagram and specs)</li>
  • Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired</li>
  • Available in Natural as-cast finish for a factory appearance, silver ceramic, or black ceramic</li>
  • Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance</li>
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Key Specs

MFG. Part #8505-3HKR
BrandHooker Headers
FinishCeramic Coated
Collector Diameter2-1/2 Inch
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Hooker Headers 8505-3HKR Details

Features:
  • 2.5-inch outlet diameter offers improved flow for maximum performance from a cast iron exhaust manifold
  • Tight tuck design that provides an exit between our standard swap manifolds and center dump manifolds (see pictures for diagram and specs)
  • Intended for GM LS engine swap applications where durability, quiet operation, and leak-free sealing is desired
  • Available in Natural as-cast finish for a factory appearance, silver ceramic, or black ceramic
  • Cast from Hi-Silicon-Moly Ductile Iron to provide durability and corrosion resistance
  • Perfect complement to Hooker engine swap mount plates and Holley engine swap oil pans
  • Hardware included: Nickel plated steel mating flanges, MLS mating flange gaskets, and mating flange hardware
  • Similar to SBC driver side manifold (HKR8525) - same exit centerline but raised up 1.36-inches

CARB Warning

For race/ off road use or for use on pre-1966 vehicles.

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, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. 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.

Hooker Headers 8505-3HKR Specifications

KEY SPECS
MFG. Part #8505-3HKR
BrandHooker Headers
FinishCeramic Coated
Collector Diameter2-1/2 Inch
GENERAL
Material TypeCast Iron
Flange Style2-Bolt
Sold in QuantityEach
GTIN Code00090127785768

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