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Key Specs

MFG. Part #
BrandSpeedway Motors

Need To Know

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Details

You just bought your LS1 and plan on using the factory exhaust manifolds, but noticed they have odd shaped collector flanges. Now what? These flanges bolt to the factory factory manifold and allow for a smooth installation. Flanges are 3/8" thick.

Specify driver or passenger side.

Specifications

KEY SPECS
MFG. Part #
BrandSpeedway Motors
GENERAL
Inside Diameter2.5"
Bolt Hole Pattern
Hole Diameter.50"
Material Thickness.38"
Material TypeSteel
FinishNatural
Sold in QuantityEach
Collector Diameter2-1/2 Inch