1991-Current 7.4L MAG , 8.2L GM Big Block Flywheel 1991-UP 1 Piece Rear Seal GM FOR USE WITH 454 & 502 ENGINES WITHFORGED CRANKS1991-UP 1 Piece Rear Seal GM For Use With 7.4L MAG & 8.2L Engines With FORGED CRSKU: 14096987$299.00PriceQuantityAdd to Cart