Real main seal adapters allow the use of different crankshafts into late model Chevy engine blocks. CNC-Motorsports offers best in performance aftermarket auto parts.
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ESP-EAG500 PART NUMBER
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ALL-26125 PART NUMBER
SB Chevy Rear Seal Adapter For Early (Pre-'86) Oil Pan ALL-26125$199.99
Rear Main Seal Adapter - 2 Piece Seal Crankshaft to 1 pc Seal Block- Small Block Chevy, Uses Old Style pre 1986 oil pan Learn More -
ALL-26126 PART NUMBER
SB Chevy Rear Seal Adapter For Late ('86-up) Oil Pan ALL-26126$132.99
Rear Main Seal Adapter - 2 pc Seal Crankshaft to 1 pc Seal Block- Small Block Chevy, 86 and Newer Oil Pan Learn More
