The Manley rotating assembly is a complete matched crank, rod, and piston system engineered for high-demand engines and specified here for Ford 4.6L applications. It pairs precision-forged components—including 4340 forged H-beam rods, a forged 4340 crank, and 2618 forged aluminum pistons—with premium bearings and rings to deliver strength, balance, and tight tolerances for elevated RPM and cylinder pressures.
Manley Rotating Assembly, Chevrolet LS 4.000 STROKE/4.070/-18cc
Features & Benefits
High Performance piston rings & high performance Clevite H Series rod bearings (narrowed) and P Series main bearings
4340 Forged steel H-Beam connecting rods with 7/16 ARP 8740 cap screws or optional ARP 2000 cap screws
2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pins
Lightweight 4340 forged steel crankshaft
Manufacturer Description
Manley Rotating Assemblies are engineered as complete, matched systems to deliver maximum strength, balance, and performance in high-demand engines. Featuring precision-forged crankshafts, high-strength connecting rods, and premium pistons, each component is designed to work together seamlessly for optimal durability and efficiency. Tight tolerances and careful material selection ensure excellent load handling, reduced friction, and consistent performance under extreme RPM and cylinder pressure. By combining Manley’s proven rod, piston, and crank technologies into a unified package, these assemblies provide the reliability and confidence engine builders demand when pushing the limits of power.
