Crank Adapter LS to Older GM Converters

The Crank Adapter LS to Older GM Converters from ALLSTAR PERFORMANCE is designed for automotive enthusiasts looking to swap modern LS-series engines into classic GM vehicles. This product addresses the compatibility issues that arise due to differences in crankshaft flange geometry between LS engines and older GM applications. By using this adapter, users can retain existing torque converters and driveline components, avoiding the need for costly replacements.

Engineered with precision, this adapter ensures proper engagement between the LS crank flange and older GM converter spline geometry. Its compact design minimizes additional driveline length while maintaining a robust load-carrying capacity. The adapter is manufactured to exacting tolerances, ensuring concentricity and reliability during operation.

Ideal for restomod builders and classic car enthusiasts, this adapter is particularly beneficial for those working on pre-1985 GM platforms. It allows for a seamless integration of modern LS engines into older vehicles, making it a valuable component for budget-conscious modifiers who wish to utilize their existing components without compromising performance.