Exhaust Manifold Gasket Set 1991-pontiac-firebird-esi6483971 By adding BMR's 2-inch drop

By adding BMR's 2-inch drop leaf springs

This pump provides enough fuel flow to support up to 900hp

at degrees C 33 at neg 15 degrees C

Max dyno gains of 9 hp and 10 lb-ft at the rear wheels

Whether you're upgrading or maintaining your vehicle

Exhaust Manifold Gasket Set 1991-pontiac-firebird-esi6483971 By adding BMR's 2-inch dropa high density non asbestos fiber metal core composite material consisting of two graphite coated, heat resistant fiber blended sheets that are mechanically and chemically fused to an expanded steel core. The finished product provides high heat resistance, excellent load retention and unmatched sealing performance on exhaust manifold and header applications. A 50% recovery rate allows for gasket expansion in the event your header loses the proper