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Stef's Fabrication

Stef's Rear Main Seal Adapter Kits

4.0 out of 5 stars 2 Customer Reviews

Stef's rear main seal adapter kits are designed to install an early 2-piece style crankshaft into a late model, one-piece engine block. They are manufactured from billet aluminum and require no drilling or welding for installation.

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Stef's Rear Main Seal Adapter Kits 7036

Stef's Rear Main Seal Adapter Kits 7036

Stef's Rear Main Seal Adapter Kits 7036

Rear Main Seal Adapter - Big Block Chevy

Part Number: STF-7036

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 15, 2026 if ordered today

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Estimated Ship Date: May 15, 2026 if ordered today

Stef's Rear Main Seal Adapter Kits 7035

Stef's Rear Main Seal Adapter Kits 7035

Stef's Rear Main Seal Adapter Kits 7035

Seal Adapter, Billet Aluminum, 1 to 2-Piece, Chevy, 7.4L, Each

Part Number: STF-7035

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

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