Ford 351W Windsor 408 434 ci 4.040" 1.250" 0.927" Flat Top Forged Pistons

Speedmaster 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.

• Bore: 4.040 in.
• Piston style: Flat top, with two valve reliefs
• Piston material: Forged aluminum
• Compression distance: 1.250 in.
• Piston head volume: -4.00cc
• Max rod length: 6.000 in.
• Wrist pin style: Full floating
• Pin diameter: 0.927 in.
• Piston ring thickness: 1/16 in. x 1/16 in. x 3/16 in. or 1.5mm x 1.5mm x 3mm
• Quantity: Sold as a set of 8