Ford SB 289 302 Windsor 5.4" 4.000" 1.090" 0.927" Flat Top Forged Pistons but have profiled counterweights for

but have profiled counterweights for less weight

which are each sold separately

All kits come complete with 4130 heat-treated

slotted brake rotors

Speedmasterª EFI systems give you everything you need to add powerful and efficient fuel injection to your vehicle

Ford SB 289 302 Windsor 5.4" 4.000" 1.090" 0.927" Flat Top Forged Pistons but have profiled counterweights forSpeedmaster 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.