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.
Please Note: All compression ratios are figured with a gasket thickness representative of those commonly used and are approximate.
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i notice the dish area would be on the top of engine on #s 1,3,5,7 and on 2,4,6,8 on the bottom of piston. The 454 heads have combustion area on bottom on both sides. Similar to a chrysler hemi is there 4 pistons for left side and 4 different pistons?
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