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Slim line design for when space is at a premium
Valve CoversCover your valvetrain with a set of Speedmaster fabricated aluminum valve covers
while the extruded body has a tensile strength over 60
not from sand molds
Speedmaster aluminum adapter spacers allow you to adapt Powerglide to Turbo TH400 automatic transmission tailhousing
GM TH400 Turbo 400 Transmission Billet Aluminum Direct Drum Only Slim line design for whenThis TH400 7075 T6 Billet Aluminum Direct Drum is manufactured specifically for drag racing. Includes a Billet aluminum piston. Drum weights 55% less than the OEM drum.
US$ 12.98
US$ 50.75
US$ 114.81
US$ 139.14
