Piston - Dome - Forged - 4.280 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Plus 21.00 cc - Big Block Chevy - Set of 8 Brand- WISECO-PRO TRU MPN PTS514A3 . **NOTE: Truck Freight- NO State Restrictions Canada Restrictions- NO
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