What horsepower range can this rotating assembly handle?

With the standard 7/16? ARP 8740 cap screws included on the connecting rods, this assembly is rated for up to 750 horsepower. If you opt for the upgrade to ARP 2000 cap screws, the horsepower support increases to 1,500 HP.

What is the purpose of the -15cc dish on the pistons?

The -15cc dish on the pistons is a key feature for controlling your engine's compression ratio. This dish volume, combined with your chosen cylinder heads and head gasket thickness, helps determine the final compression ratio of your engine build.

Are there any restrictions on shipping this product?

Yes, this rotating assembly is not CARB approved and therefore cannot be shipped to California due to emissions regulations.

Specifications

Brand: Manley Performance
Part #: 290040R
UPC: 807298068664

Manley Rotating Assembly, SBC 383 3.750 STROKE/-15cc DISH

Name: Manley Rotating Assembly, SBC 383 3.750 STROKE/-15cc DISH
Brand: Manley Performance
SKU: manley-performance-manley-rotating-assembly-sbc-383-3-750-stroke-15cc-dish-t14-881114
Price: 3420.95 USD
Availability: BackOrder

$3420.95

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, SBC 383 3.750 STROKE/-15cc DISH. Includes forged crank, rods, and pistons for a strong engine build.

Key Features

This product includes a Manley 4340 forged steel crankshaft with a 3.750-inch stroke.
It contains 4340 forged steel H-beam connecting rods fitted with 7/16? ARP 8740 cap screws.
The assembly comes with 2618 forged aluminum Platinum Series pistons featuring a -15cc dish.
Premium chrome moly wrist pins are included with the pistons.
The standard configuration with ARP 8740 cap screws supports up to 750 horsepower.
Optional ARP 2000 cap screws are available to support up to 1,500 horsepower.

This rotating assembly is designed for Small Block Chevy (SBC) 383 cubic inch engine builds. Check manufacturer specifications for compatibility with specific engine blocks and cylinder heads.

⚠️ 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 gives you the core components for a robust 383 cubic inch Small Block Chevy engine build. Inside this package, you'll find a lightweight 4340 forged steel crankshaft, a set of 4340 forged steel H-beam connecting rods, and 2618 forged aluminum Platinum Series pistons. The crankshaft features a 3.750-inch stroke, and the pistons are designed with a -15cc dish, which is crucial for setting your compression ratio depending on your cylinder heads and gasket choice.

The connecting rods are well-built H-beams, known for their strength and reliability in performance applications. They come standard with 7/16? ARP 8740 cap screws, capable of handling up to 750 horsepower. If your build aims for more power, you have the option to upgrade to ARP 2000 cap screws, which can support an impressive 1,500 horsepower. The included pistons are Manley's Platinum Series, made from 2618 forged aluminum for durability under stress, and they come with premium chrome moly wrist pins.

This assembly is a solid foundation for a performance engine. Keep in mind that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and torque specifications.