Manley Performance BBC 572 4.250in Stroke x 4.625in Bore +43cc Piston Dome Rotating Assembly | Multiple Fitments (39572RH) Manley Performance

Big Block Chevrolet Rotating Assemblies by Manley Performance

When it comes to building horsepower and torque, you need to start at the bottom and work your way up. Manley rotating assemblies are designed for performance enthusiasts wanting to get the most out of their engines. Their assemblies feature 4340 forged steel crankshaft and H-beam connecting rods, either 7/16 in. ARP 8740 cap screws with a 750 hp rating for LS engines/900 hp for big blocks, or optional ARP 2000 cap screws for up to 1,500 hp. They use 2618 Platinum Series forged aluminum pistons, chromoly premium wrist pins, Total Seal piston rings, and Clevite “H” Series narrowed rods and “P” or “H” Series main engine bearings. Building high-horsepower performance engines takes a lot of thought and all the right parts. Start off right with Manley rotating assemblies.

Features

• 4340 Forged steel crankshaft
• 4340 Forged steel H-Beam connecting rods with 7/16” ARP 8740 or optional ARP 2000 cap screws
• 2618 Forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pins
• High Performance piston rings & high performance Clevite® “H” Series rod (narrowed) and “P” or “H” Series main engine bearings

Benefits

• Multi-step heat treatment process and nitrided (hardened) for maximum strength
• Horsepower range is 900 with the ARP 8740 and 1,500 with the optional ARP 2000 cap screws

Please Note: For standard deck block. Comes with ARP 2000 rod bolts, and H series main bearings. Comes with center counterweights.

Applications

• 1965, 1968–1974 Chevrolet Corvette
• 1965–1975 Chevrolet Chevelle
• 1967–1972 Chevrolet Camaro
• 1968–1970 Chevrolet Nova
• 1970–1975 Chevrolet Monte Carlo
• 1970–1975 Chevrolet El Camino
• 1965–1972 Chevrolet Biscayne, Chevrolet Bel Air, Chevrolet Impala, Chevrolet Impala SS
• 1965–1976 Chevrolet Caprice
• 1996–1999 Chevrolet Suburban 2500/GMC Suburban 2500
• 1968-1973 Ford Thunderbird
• 1969-1971 Ford Mustang
• 1969-1973 Ford Galaxie, Ford Torino
• 1971 Mercury Cougar

What’s In The Box?

• 1 – Rotating Assembly Kit

Warranty

• Manley products, due to their intended use, are sold without warranty.