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it has a square bore carb flange instead of a spread bore
plus a reserve
short block engines are the solution to a hassle-free power build
Speedmaster high-volume water pumps have a ribbed aluminum housing and a heavy duty ball/roller bearing assembly
turbocharged and nitrous applications
Chevy GM LS7 250cc 60cc 6 Bolt Hydraulic Roller Assembled Cylinder Heads it has a square boreSpeedmaster 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
