Chevy GM LS7 250cc 60cc 6 Bolt Hydraulic Roller Assembled Cylinder Heads all components are hand fit

all components are hand fit and assembled in USA for the ultimate in precision fit and finish

turbocharged and nitrous applications

Made from CNC machined billet steel for heady duty applications

It is set up to accept a spread bore carb

Permanent molds provide a tighter grain casting thereby reducing the occurrence of porosity which can mar the polished finish

Chevy GM LS7 250cc 60cc 6 Bolt Hydraulic Roller Assembled Cylinder Heads all components are hand fitSpeedmaster 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