Chevy GM LS1 LS2 LS6 198cc 60cc 6-Bolt Hydraulic Roller Assembled Cylinder Heads They start to make awesome

They start to make awesome power around 3

Built for performance

these housings tubes are manufactured with

Injectors come complete and ready for installation with precision molded o-rings and fine-mesh fuel strainers

Pop-Off plates are designed to release the high pressure that builds up inside of the engine to prevent damaging or cracking your supercharger components

Chevy GM LS1 LS2 LS6 198cc 60cc 6-Bolt Hydraulic Roller Assembled Cylinder Heads They start to make awesomeSpeedmaster 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