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improve starting
Speedmaster now offers heavy duty race shifter cables to suit the popular B&M and Hurst transmissions
dual plane fuel injection intake manifolds allow the installation of dual throttle bodies on late model LS Series engines
Speedmaster freeze plugs will not rot out
Made from CNC machined billet steel for heady duty applications
GM TH400 Transmission Billet Aluminum Full Manual Valve Body - Silver improve startingSpeedmaster billet aluminum valve bodies are a direct replacement for your original valve body. These valve bodies shift quickly and incorporate an adjustable pressure regulator. Fully 5 axis CNC machined from billet aluminum, these valve bodies will help your project shed some weight.
