Piston - Claimer Series - Hypereutectic - 4.030 in Bore - 5/64 x 5/64 x 3/16 in Ring Grooves - Plus 4.00 cc - Small Block Chevy - Set of 8 Brand- KB PERFORMANCE PISTONS MPN 9904HC.030 . **NOTE: Truck Freight- NO State Restrictions NO Canada Restrictions- NO