Fel-Pro 3.945" Bore Head Gasket 0.053" Thickness Driver Side Multi-Layered Steel - GM LS-Series RS001002 Heat-treated forging for strength and

Heat-treated forging for strength and toughness

Boot is 7" tall with Velcro strap closure at top

1963-1966 GMC 3500

28 in Extended

Made from aluminized steel for durability

Fel-Pro 3.945" Bore Head Gasket 0.053" Thickness Driver Side Multi-Layered Steel - GM LS-Series RS001002 Heat-treated forging for strength andEngine Cylinder Head Gasket The latest development in Fel Pro Performance head gasket technology is the PermaTorqueMLS (multi layer steel) series. Strategically located sealing beads surround the combustion chamber and coolant passages concentrating clamp load to prevent leakage. Retains sealing integrity in engines that experience significant scrubbing and movement due to dissimilar materials (such as aluminum heads on a cast iron Not intended for