Ford SB 289 302 Windsor 5.4" 4.000" 1.090" 0.927" Flat Top Forged Pistons These MidAir Series Manifolds includes

These MidAir Series Manifolds includes a 4150 Series 1200 CFM Billet Throttle Body

351c Cleveland

but have profiled counterweights for less weight

2 SFI Approved and will withstand the extreme power and rpm of your performance application

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 These MidAir Series Manifolds includesSpeedmaster 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.