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Ships within 48 hours · Estimated delivery Aug 25 - Aug 30
while increasing thermal conductivity
and durable
Get high-flow for your car with Speedmaster water pumps
OEM replacement designs
Perfect for professional racing setups
Ford SB 289 302 Windsor 5.4" 4.030" 1.090" 0.927" Flat Top Forged Pistons while increasing thermal conductivitySpeedmaster 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.
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