Chevy SBC 350 Rear Main Seal Adapter Late 1pc to 2pc Aluminum Speedmaster has already done the

Speedmaster has already done the work for you

housing studs from Speedmaster are installed into the housing and pulled through a nut to provide a pressed fit

While the GM 8

Made from premium materials and built to exacting tolerances

They're machined from billet aluminum for lasting durability and good looks

Chevy SBC 350 Rear Main Seal Adapter Late 1pc to 2pc Aluminum Speedmaster has already done theThese 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 aluminum and require no drilling or welding for installation. Replaces ALL26126