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Moroso

Moroso Rear Main Seal Adapter Kits

4.63 out of 5 stars 8 Customer Reviews

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.

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Moroso Rear Main Seal Adapter Kits 38415

Moroso Rear Main Seal Adapter Kits 38415

Moroso Rear Main Seal Adapter Kits 38415

Seal Adapter, Billet Aluminum, 1 to 2-Piece Style, Chevy, Small Block Gen I, Each

Part Number: MOR-38415

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Jan 9, 2026 if ordered today

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Estimated Ship Date: Jan 9, 2026 if ordered today

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