Sealed Power 390ci Stock-Type Pistons, .030" Overbore Piston Dia.: 4.080"
844-L2291F30
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Ford Stock-Type Pistons
Specifications:
Speed-Pro developed powerforged pistons and set the pace in powerforged technology. The high silicon VMS-75 alloy is found exclusively in pistons "powerforged" by Speed-Pro. Up to 3,000 tons of force forges aluminum slugs into the basic piston form which creates a grain flow pattern in the structure providing excellent strength, ductility and improved heat dissipation.
Please Note: All compression ratios are figured with a gasket thickness representative of those commonly used and are approximate.
What is the min max piston to cylinder clearance measurement
Motor Vehicles
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Tools:
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Electrical Cords
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