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The Manley rotating assembly for BBC 516 (4.000-inch stroke, 4.530 rod, +2cc) is a complete, matched kit built to withstand heavy loads and high RPM in big-block applications. It combines a lightweight forged 4340 crankshaft, 4340 H-beam connecting rods and 2618 forged aluminum platinum-series pistons with premium chrome-moly wrist pins for strength and reduced friction. Standard 7/16 ARP 8740 cap screws deliver roughly 900 hp, with optional ARP 2000 hardware increasing capacity up to 1,500 hp.
Manley Rotating Assembly, BBC 516 4.000 STROKE/4.530/+2cc
