Ford SB 289 302 Windsor 5.4" 4.000" 1.090" 0.927" Flat Top Forged Pistons reduce stretching and prevent the

reduce stretching and prevent the belt from slipping

These Speedmaster polished aluminum tops are designed to replace the OEM top without alterations

as well as keep them in line

while Cleveland/Modified applications use precision laser-cut steel for a factory-style fit and finish

While the 2

Ford SB 289 302 Windsor 5.4" 4.000" 1.090" 0.927" Flat Top Forged Pistons reduce stretching and prevent theSpeedmaster Forged pistons are made from 4032 aluminum alloy for quieter operation and reduced piston to wall clearance. Up to 20% lighter than traditional forged pistons that eliminate harmful stress concentrations for superior strength. Specifically designed for naturally aspirated or moderate nitrous applications.