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1489 heads a try
Speedmaster piston oil ring spacers are manufactured from spring steel and install against the bottom sill of the oil ring groove
Not only do you get more performance out of the box than OEM heads
a new lower housing casting for enhanced fuel flow
They are manufactured from high-grade aluminum
GM TH400 Transmission Billet Aluminum TransBrake Full Manual Valve Body 1489 heads a trySpeedmaster billet aluminum valve bodies are a direct replacement for your original valve body. These valve bodies shift super fast and incorporate an adjustable pressure regulator. Fully 5 axis CNC machined from billet aluminum these valve bodies will help your project shed some weight
US$ 119.00
US$ 34.00
US$ 64.00
US$ 109.00
