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Est. 1957
Manley Performance

Manley Rotating Assembly, BBC 632 4.750 STROKE/4.600/-3cc

$3891.03

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Manley Performance BBC 632 rotating assembly. Built for high-horsepower BBC engines with a 4.750" stroke.

Key Features

  • Verified fitment for BBC 632 cubic inch engines.
  • Includes a 4340 forged steel crankshaft with a 4.750-inch stroke.
  • Features 4340 forged steel H-beam connecting rods with 7/16" ARP 8740 cap screws.
  • Optional ARP 2000 cap screws are available for increased horsepower capacity.
  • Includes 2618 forged aluminum Platinum Series pistons with Premium Chrome Moly wrist pins.
  • Rated for up to 900 horsepower with ARP 8740 cap screws.
This rotating assembly is designed for BBC (Big Block Chevrolet) engines. Please consult manufacturer specifications for detailed fitment and compatibility with specific engine blocks and configurations.

⚠️ 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

Manley Performance is well-known for making strong, reliable internal engine components. This BBC rotating assembly is a prime example of their commitment to building parts that can handle serious power. If you're building a big-block Chevrolet engine and need a robust foundation, this assembly is designed to get you there. It’s a complete package featuring a forged steel crankshaft, forged steel connecting rods, and forged aluminum pistons, all engineered to work together seamlessly for maximum performance and durability.

At the heart of this assembly is a 4340 forged steel crankshaft with a 4.750-inch stroke, providing the displacement for a 632 cubic inch engine. Paired with this are 4340 forged steel H-beam connecting rods. These rods come with 7/16-inch ARP 8740 cap screws, a solid choice for engines up to 900 horsepower. If your build is targeting higher output, you can opt for ARP 2000 cap screws, which are rated for builds up to 1,500 horsepower. The pistons are Manley's Platinum Series 2618 forged aluminum, featuring a -3cc dish and coming with premium chrome moly wrist pins. This combination of high-quality forged components ensures strength and reliability for demanding applications.

This rotating assembly is a significant investment in your engine build, offering a well-matched set of components from a trusted name in performance parts. It’s important to 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 to ensure optimal performance and longevity.

Specifications

Brand
Manley Performance
Manufacturer Part #
28632H
UPC
807298079936

Frequently Asked Questions

Manley Rotating Assembly, BBC 632 4.750 STROKE/4.600/-3cc

$3891.03