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Ships within 48 hours · Estimated delivery Aug 12 - Aug 17
These Speedmaster crankshafts are precision-ground and micro-polished to exacting tolerances
Engage into the low-reverse drum quickly with the Speedmaster roller clutchâÃôs inner race
They are heat-treated prior to thread rolling and machining and are rated at a whopping 190
These Speedmaster tailshaft housings are designed five times stronger and more ridged than stock because they are made from aircraft grade aluminum alloy
unlike plastic alternatives
GM Turbo 400 TH400 Output Shaft, Yoke, and Tail Housing Kit - 40 Spline These Speedmaster crankshafts are precision-groundThese Speedmaster tailshaft housings are designed to fit the stock Turbo 400 transmissions. They are five times stronger and more ridged than stock because they are made from aircraft grade aluminum alloy. Featuring thicker walls and more gusseting than any other manufacturer.
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