Moroso Rear Main Seal Adapter
Rear Seal Adapter, Small Block Chevy, use with old style pre-1980 Oil Pans with driver-side dipstick
Moroso rear main seal adapter kits are designed to install an early 2-piece style crankshaft into a late model, 1-piece engine block. They are manufactured from billet aluminum and require no drilling or welding for installation. The adapter kits include all mounting fasteners and required hardware.