28555X

Manley Performance man28555X

Name: Manley Performance man28555X
Brand: Manley Performance
Price: 3181.15 USD
Availability: PreOrder

$3181.15

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Product Overview

Manley rotating assembly for BBC 555 (4.250" stroke) is a complete matched package built for extreme-demand engines. It pairs precision-forged crankshafts with high-strength connecting rods and premium pistons to improve balance, reduce friction and sustain high RPM and cylinder pressures. The assembly includes 4340 forged H-beam rods with 7/16 ARP 8740 (optional ARP 2000), 2618 forged pistons and a 4340 forged crank; supports about 900 hp with ARP 8740 or up to 1,500 hp with ARP 2000 and notes Ford 4.6L application.

Product Description

Manley Rotating Assembly, BBC 555 4.250 STROKE/4.560/-3cc

Additional Product Details

Manley Rotaing Assembly, FORD 4.6L 3.543 STROKE/3.572/-6.5cc DISH

Features & Benefits

4340 Forged steel H-Beam connecting rods with 7/16 ARP 8740 or optional ARP 2000 cap screws Horsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws 2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pins 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.