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Ships within 48 hours · Estimated delivery Oct 28 - Nov 2
Upgrade a standard C4
Featuring a boltin EFI downdraft injection system and complete serpentine drive kit
It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs
let Speedmaster hook you up
Chevy BBC 454 Rear Seal Adpater Gen V &VI Block 1PC to 2PC Rear Main Seal Upgrade a standard C4These Speedmaster 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.
US$ 170.00
US$ 81.99
US$ 175.00
US$ 199.99
US$ 119.99
US$ 99.99
