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stable air flow at any rpm
this transmission is built with premium materials and cutting-edge engineering to dominate on the track or off-road
These scoops give you that classic Hilborn-style look with a polished aluminum body
Speedmaster aluminum LS valve covers will give your Chevrolet LS series engines a totally new look
These zinc plated cooling pans from Speedmaster give you up to 15 percent cooler transmission temperatures
GM TH400 Billet Aluminum 0.250" Oversize Intermediate Piston [5.867″] stable air flow at anyAlmost 10% larger that stock intermediate piston, the increased diameter applies more clamping force on the second gear clutch pack. Reducing the possibility of driving through the clutches as the power curve comes on strong. The stock 5. 617 center support piston has be increased by 0. 250" to 5. 867 in diameter.
