Supercharger Pop Off Plate Valve And Spring Kit [SBC BBC] Speedmaster LS-series cylinder heads are

Speedmaster LS-series cylinder heads are rapidly expanding

these housings tubes are manufactured with

These rods incorporate a special doweled cap for specific cap-to-rod alignment and are profiled with extra clearance for stroker applications

Speedmasterª EFI systems give you everything you need to add powerful and efficient fuel injection to your vehicle

Supercharger Pop Off Plate Valve And Spring Kit [SBC BBC] Speedmaster LS-series cylinder heads arePop Off plates are designed to release the high pressure that builds up inside of the engine to prevent damaging or cracking your supercharger components. Suits: 1 149 004 and 1 149 005 Manifolds