The Speedmaster PCE623.1010 is a heavy duty racing direct drum engineered for GM TH400 transmissions. Constructed from billet aluminum, this direct drum is built to withstand the increased stresses of high-performance and racing applications, offering improved durability and reliability over stock replacement units.
Designed as a direct-fit upgrade for GM TH400 transmission builds, this billet aluminum direct drum is an ideal choice for enthusiasts and professional builders looking to strengthen a TH400 for strip or street/strip use. Always verify compatibility with your specific transmission build before ordering.