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The Eagle 409 Pro Street rotating assembly is built for naturally aspirated racing use and ships as a complete rotating assembly. It includes a 4.000" forged 4340 crank, 6.135" 4340 I-beam rods, 7/16" ARP 8740 bolts, forged 2618 Ross pistons with .365" dome and 10:1 compression, 4.342" pistons, plasma-moly rings and King XP rod/main bearings for race-focused builds.
Eagle Chevrolet 409 Pro Street Rotating Assembly
