Manley Performance 3.480 Stroke / -4cc Flat 30 Bore Rotating Assembly | Multiple Fitments (290730) Manley Performance

Small Block Chevrolet 350 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: : Rotating assembly is unbalanced.

Applications

• 1967-1968 Chevrolet Camaro
• 1968-1969 Chevrolet Nova
• 1969-1974 1985-1991 Chevrolet Corvette
• 1970-1972 Chevrolet Camaro Z28
• 1987-1992 Chevrolet Camaro (optional)
• 1987-1992 Pontiac Firebird (optional)
• 1996–1999 Chevrolet/GMC C/K full-size trucks
• 1996–1999 Chevrolet Suburban/GMC Suburban full-size long-wheelbase SUVs
• 1996–2000 Chevrolet Tahoe/GMC Yukon (and 2000 Tahoe Limited and 2000 Tahoe Z71 models) full-size short-wheelbase SUVs
• 1999–2000 Cadillac Escalade
• 1996–2002 Chevrolet Express/GMC Savana full-size vans

What’s In The Box?

• 1 – Rotating Assembly Kit

Warranty

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