Remflex GM V8, Big Block Chevy/GMC 454 / 502 Exhaust Manifold Gaskets # REM2030 Rate_12 If you answered yes to

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PIONEER FLEXPLATE CHEV HOLDEN LS1 LS2 LS3 LS6 # FRA-471

no extra boxes to mount Supports up to 650 hp with four 100 lb

HP & Torque: 670 HP / 660 FT LBS

American Muscle

Remflex GM V8, Big Block Chevy/GMC 454 / 502 Exhaust Manifold Gaskets # REM2030 Rate_12 If you answered yes toRemflex GM V8, Big Block Chevy GMC 454 502 Exhaust Manifold Gaskets # REM2030 Exhaust Header Gaskets, Graphite, Irregular Port, Chevy, Big Block, Pair Port Style: Irregular Gasket Material: Graphite Port Height (in.): 1. 875 in. Port Width (in.): 2. 000 in. Thickness (in.): 0. 125 in. Quantity: Sold as a pair. Remflex Exhaust Header Gasket Sets Remflex exhaust header gasket sets feature 100 percent flexible graphite construction that's effective up to