LS Flexplate Adapter HEI Tune Up Kits making this manifold a direct-fit

making this manifold a direct-fit solution for compatible Vortec applications

performance

I) applications demanding higher fuel flow

• Requires TSP proprietary fuel rails (81051BK or 81051SL)

LS Flexplate Adapter HEI Tune Up Kits making this manifold a direct-fitLS Flexplate Adapter This LS flexplate adapter supports GM LS Gen III IV engine swap combinations that use an earlier GM automatic transmission and matching torque converter setup. The steel construction and included mounting hardware help establish the correct crankshaft to converter spacing for the transmission combinations noted in the fitment section. Use it when the LS crankshaft, flexplate, torque converter, and transmission require added