Ford C4 Direct Clutch Piston with Return Spring and Retainer Kit Speedmaster aluminum Water Pump pulleys

Speedmaster aluminum Water Pump pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs

These scoops give you that classic Top Fuel look with a polished aluminum body

This is our top-of-the-line medium profile LowRise+ Series manifold

please note that some modification to your stock fuel line may be necessary to adapt to our fuel rail system

Heat-treated internal parts

Ford C4 Direct Clutch Piston with Return Spring and Retainer Kit Speedmaster aluminum Water Pump pulleysBy removing any centrifugal application of the direct clutches, not only does this improve performance, but it also extends the life of the clutch. This adjustment ensures smoother, more reliable shifts and significantly reduces wear on critical transmission components.