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Tthese Speedmaster aluminum water pump pulleys
The impeller and cavity have been custom CAD designed and engineered to be larger and more efficient to provide flow that is 40 percent greater than stock pumps
The shifter includes a lighted gear position indicator in the bezel
these durable mounting blocks are precision-machined from billet aluminum
Available for center hung fuel bowls
GM TH400 Billet Aluminum 0.250" Oversize Intermediate Piston [5.867″] Tthese Speedmaster aluminum water pumpAlmost 10% larger that stock intermediate piston, the increased diameter applies more clamping force on the second gear clutch pack. Reducing the possibility of driving through the clutches as the power curve comes on strong. The stock 5. 617 center support piston has be increased by 0. 250" to 5. 867 in diameter.
US$ 18.99
US$ 130.00
