SFI Flexplate GM LS Wide Converter Bolt Patt

The SFI Flexplate GM LS Wide Converter Bolt Pattern from TCI is an essential component for builders and enthusiasts converting traditional GM engines to LS architecture. This flexplate serves as the critical interface between your engine's crankshaft and torque converter, specifically designed for the wider bolt pattern found on modern LS engine families. It is ideal for those performing a complete LS swap or upgrading their transmission systems.

Built to SFI Foundation specifications, this flexplate features precision engineering and robust construction to handle the demands of high-performance applications. It ensures proper power transfer and features a design that allows controlled flex during engagement, reducing shock loads on the transmission while maintaining reliable power delivery. The lightweight profile of 9.1 pounds minimizes rotational mass, improving engine response.

The SFI Flexplate is particularly beneficial for those upgrading from a carbureted small-block to fuel injection or installing an overdrive automatic transmission. Its wide converter bolt pattern accommodates modern torque converters designed for LS engines, providing superior engagement and durability compared to adapter solutions. TCI's manufacturing standards ensure concentricity and balance, eliminating vibration issues that can develop from mismatched components.