What is the horsepower rating for this rotating assembly?

This Manley rotating assembly is rated for up to 900 horsepower when using the standard ARP 8740 cap screws. If you opt for the stronger ARP 2000 cap screws, the assembly is capable of supporting up to 1,500 horsepower.

What materials are used in this rotating assembly?

The crankshaft and connecting rods are constructed from robust 4340 forged steel. The pistons are made from durable 2618 forged aluminum, and they come with premium chrome moly wrist pins.

Specifications

Brand: Manley Performance
Part #: 29516RX
UPC: 807298087399

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-t14-881175
Price: 3768.74 USD
Availability: BackOrder

$3768.74

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Manley BBC 516 rotating assembly, 4.000" stroke, 4.530" bore. Built with 4340 forged steel and 2618 aluminum pistons for high-horsepower builds.

Key Features

Fits BBC engines with a 4.530" bore and +2cc piston volume.
Features a 4340 forged steel crankshaft with a 4.000" stroke.
Includes 4340 forged steel H-beam connecting rods with 7/16" ARP 8740 cap screws.
Optional ARP 2000 cap screws are available for increased strength.
2618 forged aluminum Platinum Series pistons are included.
Premium chrome moly wrist pins are part of the piston kit.

This rotating assembly is designed for BBC (Big Block Chevrolet) engines. Always confirm compatibility with your specific 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 starts with a 4340 forged steel crankshaft featuring a 4.000-inch stroke, designed for BBC (Big Block Chevrolet) engines. This robust foundation is crucial for handling the stresses of high-performance builds. The assembly includes 4340 forged steel H-beam connecting rods, which are well-known for their strength and reliability under demanding conditions. These rods come equipped with 7/16-inch ARP 8740 cap screws, or you can opt for ARP 2000 cap screws for even greater strength if your build demands it.

Complementing the crank and rods are 2618 forged aluminum Platinum Series pistons. These pistons are a popular choice for their durability and ability to withstand high cylinder pressures and temperatures. They come with premium chrome moly wrist pins, ensuring smooth operation and longevity. This combination is engineered to support significant horsepower figures, rated for up to 900 horsepower with the standard ARP 8740 cap screws, and an impressive 1,500 horsepower when using the optional ARP 2000 cap screws. This assembly is a solid choice for anyone rebuilding or building a high-performance BBC engine where strength and reliability are paramount.

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.