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Speedmaster billet aluminum valve bodies are engineered to be a state-of-the-art replacement for your original valve body
If your TH400 transmission is being used in high power applications
making them a great choice for your disc brake conversion
How do they do it
Chevy LS1 4.125" 393ci Forged Rotating Assembly Kit [3.905] Speedmaster billet aluminum valve bodiesSpeedmaster Chevy LS1 rotating assembly featuring a precision ground forged 4340 steel crankshaft, 4340 chromoly H beam connecting rods, and forged flat top pistons matched to your bore size.
US$ 35.70
US$ 55.25
US$ 55.25
US$ 37.40
US$ 55.25
US$ 53.55
US$ 39.95
