GM Turbo 400 TH400 Billet 300M Steel Input Shaft Speedmaster accelerator pump covers include

Speedmaster accelerator pump covers include a lever and screws

street-rod applications and more

while Cleveland/Modified covers are laser cut steel

Speedmaster remote thermostat housings locate the filler neck at the highest point of cars with low mount radiators to bleed air

Speedmaster solenoids will restore the operation of your trans-brake

GM Turbo 400 TH400 Billet 300M Steel Input Shaft Speedmaster accelerator pump covers includeHigh horsepower and hard launches at the drag strip can cause tremendous stresses on the internal transmission components. Speedmaster Input shafts can withstand the stresses and the added power.