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Pontiac Grand Am Value Leader 1991
Pontiac Firebird Base 1991
Ford F-150 SVT Raptor 2011
Manufactured from 25mm heavy-duty bar stock for increased strength
Chevrolet Astro LT 1999
Nitrous Express Nitrous Kit w/Billet LT4 Supercharger Lid w/10lb Bottle Intake Pontiac Grand Am Value LeaderThis Billet LT4 Supercharger Lid replaces the upper supercharger lid on all GM LT4 Superchargers for a quick and clean install. Nitrous and fuel are injected into each cylinder from inside of the supercharger lid, providing direct port style distribution. Systems come standard as a single stage with jetting for 100 to 300WHP. This lid is made from a solid piece of billet aluminum with 1 8NPT machined directly into the lid, which makes it easy to add a
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