Seller notes

SPEED PRO PISTONSThis item is for eight (8) .030-in. over bore Speed Pro (Sealed Power) forged 36.3cc dome pistons for Chevrolet 427ci big block V-8 engines. P/N (8) L2268NF-030. These pistons are Speed Pro's version of the 1965-1969 427-425/435HP pistons. Feel free to message us with any fitment questions.Speed Pro forged pistons are made from extruded VMS-75 aluminum alloy that is forged under 3,000 tons of pressure to "near-net" shape. After that, they are machined to their final configuratio...

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