400 SBC dome pistons with gas ports; dome top forged piston set for use with 18 degree cylinder heads ; 4.130 bore ; 3.875 stroke ; 6.000 rod ; 1.062 compression height ; top ring groove 1.5mm ; 2nd ring groove 1.5mm ; oil ring groove 3mm ; .175 dome +2.5cc ; weight 445 grams ; high strength forged piston set for use in high performance and racing engines;. Set includes 8 forged pistons; 8 wrist pins; oil ring support rails and lock rings. Highest quality and engineered for durability and maximum power output. Pistons are fully CNC machined and balanced to + / - 1 gram. Double pin oilers ; pin fitting and pin lock removal grooves for easy lock removal are also included. Supplied with .927 x 2.750 wrist pins weighing 130 grams. Part number CP S2151
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