Chevy GM LS3 L92 L76 250cc 64cc Hydraulic Roller Assembled Cylinder Heads The runner length and the

The runner length and the tapered cross-section were designed to perform well for a wide range of engine configurations

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

Made from 5051 aircraft aluminum alloy

These can be used on std or aftermarket plenum manifolds

We control the entire machining process and use only premium materials

Chevy GM LS3 L92 L76 250cc 64cc Hydraulic Roller Assembled Cylinder Heads The runner length and theSpeedmaster LS series cylinder heads are rapidly expanding. The LS (Gen3 4) platform has many design benefits over the earlier SBC engine designs, most notably the cylinder heads. Although the GM heads are good pieces, We have developed a superior line of heads for modern performance enthusiasts. Like all Speedmaster cylinder heads, the LS series heads are produced using our "Gravity Casting" process. This process ensures a more uniform and robust