400 SBC pistons dome top forged piston set for use with 18 degree cylinder heads; 4.135 bore ; 3.875 stroke ; 6.000 rod ; 1.062 compression height ; top ring groove 1/16 ; 2nd ring groove 1/16 ; oil ring groove 3/16 ; .175 Dome +2.5cc ; weight 458 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 spiral locks. 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 2.950 wrist pins weighing 137 grams ; Part number CP S2112
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