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The Eagle heavy-duty rotating assembly for Chevy 400 applications centers on a 3.750" forged 4340 crank paired with 5.700" H-beam rods and forged 2618 JE inverted-dome pistons at 4.125" with 36cc volume. It’s a full rotating kit for high-output engines. Hardware includes 7/16" ARP 2000 bolts, plasma-moly file-fit rings and King XP rod/main bearings to support heavy-duty operation.
Eagle Chevy 400 3.750in Crank 5.700in H-Beam -36cc 4.125in Pistons Rotating Assembly
