What is the horsepower rating for this rotating assembly?

With the standard 7/16 inch ARP 8740 cap screws on the connecting rods, this assembly is rated for up to 900 horsepower. An optional upgrade to ARP 2000 cap screws increases the horsepower support to 1,500 HP.

What is the displacement of this rotating assembly?

This rotating assembly creates a 632 cubic inch displacement when used in a Big Block Chevrolet engine with a 4.600 inch bore and a 4.750 inch stroke.

Specifications

Brand: Manley Performance
Part #: 29632RHXX
UPC: 807298087740

Manley Rotating Assembly, BBC 632 4.750 STROKE/4.600/+43cc

Name: Manley Rotating Assembly, BBC 632 4.750 STROKE/4.600/+43cc
Brand: Manley Performance
SKU: manley-performance-manley-rotating-assembly-bbc-632-4-750-stroke-4-600-43cc-t14-880974
Price: 4291.39 USD
Availability: BackOrder

$4291.39

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Manley Rotating Assembly, BBC 632 4.750 STROKE/4.600/+43cc. Built for high-horsepower BBC engines.

Key Features

Fits BBC engines with a 4.600 inch bore and +43cc piston volume.
Features a 4.750 inch stroke crankshaft forged from 4340 steel.
Includes 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.
Comes with 4340 forged steel H-beam connecting rods.
Connecting rods are fitted with 7/16 inch ARP 8740 cap screws, supporting up to 900 horsepower.
Optional ARP 2000 cap screws are available for connecting rods, supporting up to 1,500 horsepower.

This rotating assembly is designed for Big Block Chevrolet (BBC) engines. Check manufacturer specifications for precise fitment details regarding bore size and piston volume.

⚠️ 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

Starting with a 4340 forged steel crankshaft, this Manley rotating assembly is built for serious big-block Chevrolet performance. The 4.750 inch stroke combined with a 4.600 inch bore creates a 632 cubic inch displacement, a popular choice for those looking to build a powerful street or strip engine. The included 2618 forged aluminum pistons are part of Manley's Platinum Series, designed for durability and performance, and come with premium chrome moly wrist pins.

The connecting rods are also forged from 4340 steel in an H-beam design, a strong and reliable configuration for handling significant power. These rods are equipped with 7/16 inch ARP 8740 cap screws, which are rated for up to 900 horsepower. For those aiming for even higher output, there's an option to upgrade to ARP 2000 cap screws, which can support up to 1,500 horsepower. This assembly is a well-built foundation for a high-performance engine build.

It's important to note that this assembly is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's detailed installation instructions and specifications to ensure proper assembly and performance for your specific application.