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Speedmaster conversion steel bell housing couples the Nissan RB25/ RB30 engine to your Turbo 400 automatic transmission
Speedmaster GM automatic transmission parts are manufactured using the highest-quality materials for strength and durability
Nitrous/injector bosses
These dipsticks are available in both firewall-mount and trans-mount styles
Built from high-grade steel
GM TH400 Forward Clutch and Direct Clutch Assembly w/o Clutches - STD Speedmaster conversion steel bell housingThe Speedmaster forward drum and direct drum assembly are designed to withstand high horsepower with their upgraded 36 element sprag design. Speedmaster GM automatic transmission parts are manufactured using the highest quality materials for strength and durability.
