One (2-1/2" ID) Corvette LS2 LS3 Exhaust Manifold Flange w/ Seal Guide

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  • Regular price $31.99
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LS2 LS3 C6 Chevy Corvette

Exhaust Manifold Flange

One Flange Only

(With Seal Guide) 


2.5" ID 

4.4" Spacing between Mounting hole centers (Camaro LS3 blot spacing is 3.75")

1/2" Thick (will not warp from heat)

Machined seal guide groove for oem gasket (GM 21992620)

Face milled for proper sealing

Made from A36 Steel


These exhaust flanges are CNC machined for high quality and accurate assembly.

AZ CNC Manufactruing is your direct source for all your custom exhaust needs. Please feel free to contact me for any custom sizes or parts.


Made in the USA