What is the horsepower rating for this Manley rotating assembly?

With the standard ARP 8740 cap screws, this assembly is rated for up to 900 horsepower. If you upgrade to ARP 2000 cap screws, the assembly can handle up to 1,500 horsepower.

What specific components are included in this rotating assembly?

This assembly includes a 4340 forged steel crankshaft, 4340 forged steel H-beam connecting rods with ARP 8740 cap screws, and 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.

Specifications

Brand: Manley Performance
Part #: 29516X
UPC: 807298087405

Manley Rotating Assembly, BBC 516 4.000 STROKE/4.530/+2cc

Name: Manley Rotating Assembly, BBC 516 4.000 STROKE/4.530/+2cc
Brand: Manley Performance
SKU: manley-performance-manley-rotating-assembly-bbc-516-4-000-stroke-4-530-2cc-t14-881176
Price: 3658.39 USD
Availability: BackOrder

$3658.39

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Manley Rotating Assembly, BBC 516 4.000 STROKE/4.530/+2cc. Supports up to 1500 HP.

Key Features

This package includes a 4340 forged steel crankshaft with a 4.000-inch stroke.
It also contains 4340 forged steel H-beam connecting rods fitted with 7/16-inch ARP 8740 cap screws.
The included 2618 forged aluminum pistons are Manley's Platinum Series and designed for a 4.530-inch bore with +2cc valve reliefs.
Premium chrome moly wrist pins are included with the pistons.
This rotating assembly is rated for up to 900 horsepower when using the standard ARP 8740 cap screws.
With the optional ARP 2000 cap screws, the horsepower range increases to 1,500.

This is a general BBC rotating assembly and does not have specific vehicle fitment listed. Please verify compatibility with your engine block and build specifications.

⚠️ CA WARNING: This product can expose you to chemicals known to the State of California to cause cancer and/or birth defects or other reproductive harm. Learn more

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About this part

Product Details

This Manley rotating assembly includes a 4340 forged steel crankshaft, 4340 forged steel H-beam connecting rods, and 2618 forged aluminum pistons. The crankshaft features a 4.000-inch stroke, and the pistons are designed for a 4.530-inch bore with a +2cc valve relief. This is a well-built package designed for serious engine builds.

The connecting rods are forged from 4340 steel and come equipped with 7/16-inch ARP 8740 cap screws, with an option to upgrade to ARP 2000 fasteners for even greater strength. The pistons are Manley's Platinum Series, made from 2618 forged aluminum and include premium chrome moly wrist pins. This combination is built to handle significant power. With the standard ARP 8740 bolts, this assembly is rated for up to 900 horsepower. If you opt for the ARP 2000 cap screws, the assembly is capable of handling up to 1,500 horsepower, making it a solid choice for high-performance BBC engines.

Please note that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and torque specifications.