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Intake manifold (Dual Plane)
They work under the same principals as OEM tanks
They provide higher power and torque transmission
Convert the Speedmaster Powerglide tail housing to accept a TH350/Powerglide yoke with the billet steel tail housing adapter
Those Speedmaster headers feature 3/8 in
GM TH400 Forward Clutch and Direct Clutch Assembly w/o Clutches - STD Intake manifold (Dual Plane)The 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.
US$ 79.95
US$ 49.95
US$ 29.95
US$ 179.00
