Seller notes

SPEED PRO PISTONSThis item is for eight (8) .060 over bore Speed Pro hypereutectic, 30.5cc dome top, coated skirt pistons and moly piston ring set (Hastings/MAHLE) for Chevrolet 454ci (7.4L) big block V-8 engines. P/N (8) H581CP-060 + 2M683-060. These pistons .PISTON SPECIFICATIONSBore: 4.310 in. (at .060 bore)Stroke: 4.000 in. (stock)Connecting Rod Length: 6.135 in.; rods NOT includedPiston Material: Hypereutectic aluminumPiston Top Style: Dome with 2-valve reliefsDome Height: .340 in.Dome Volu...

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