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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
2 SFI Approved and will withstand the extreme power and rpm of your performance application
Additional fittings may be required depending on your application
These MidAir Series Manifolds includes a 4150 Series 1200 CFM Billet Throttle Body
All kits come complete with 4130 heat-treated
Ford SB 289 302 Windsor 5.4" 4.000" 1.090" 0.927" Flat Top Forged Pistons 2 SFI Approved and willSpeedmaster 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.
