What is the horsepower rating for this rotating assembly?

With the standard ARP 8740 cap screws, this assembly is rated for up to 900 horsepower. If you choose the optional ARP 2000 cap screws, the rating increases to 1,500 horsepower.

What materials are used in this Manley rotating assembly?

The crankshaft and connecting rods are made from 4340 forged steel. The pistons are constructed from 2618 forged aluminum, and the wrist pins are Premium Chrome Moly.

Is this rotating assembly legal for use in California?

No, this rotating assembly is not CARB approved and cannot be shipped to California due to emissions regulations.

Specifications

Brand: Manley Performance
Part #: 29516R
UPC: 807298080529

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-t14-881171
Price: 3750.96 USD
Availability: BackOrder

$3750.96

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Manley Rotating Assembly, BBC 516 4.000 STROKE/4.530/+2cc. Built for high-horsepower BBC builds.

Key Features

This rotating assembly features a 4340 forged steel crankshaft with a 4.000-inch stroke.
It includes 4340 forged steel H-beam connecting rods equipped with 7/16-inch ARP 8740 cap screws.
Optional ARP 2000 cap screws are available for the connecting rods, increasing the horsepower rating.
The assembly comes with 2618 forged aluminum Platinum Series pistons.
Premium Chrome Moly wrist pins are included with the pistons.
The assembly is rated for up to 900 horsepower with the standard ARP 8740 bolts.

This rotating assembly is designed for BBC (Big Block Chevrolet) engines. Please verify compatibility with your specific engine configuration before purchase.

⚠️ 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. The crankshaft is paired with 4340 forged steel H-beam connecting rods. These rods come standard with 7/16-inch ARP 8740 cap screws, but can be optioned with ARP 2000 cap screws 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 serious 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 foundation for a high-performance build.

This assembly is intended for competition use and is not CARB approved, meaning it cannot be shipped to California. Please ensure compatibility with your specific engine build and local emissions regulations.