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Est. 1957
Manley Performance

Manley Rotating Assembly, BBC 565 4.250 STROKE/4.600/+43cc

$4101.35

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Manley Rotating Assembly, BBC 565 4.250 STROKE/4.600/+43cc. Handles up to 1500 HP.

Key Features

  • Fits Big Block Chevy 565ci engines with a 4.250" stroke and 4.600" bore.
  • Features a 4340 forged steel crankshaft for strength and durability.
  • Includes 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.
  • 2618 forged aluminum Platinum Series pistons are included.
  • Premium chrome moly wrist pins are part of the piston assembly.
This rotating assembly is designed for Big Block Chevy 565ci engines with specific bore and stroke dimensions. Please verify compatibility with your engine 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

If you're building a high-performance Big Block Chevy engine and aiming for serious power, a robust rotating assembly is the heart of your build. This Manley rotating assembly is designed for the 565 cubic inch displacement, featuring a 4.250-inch stroke and 4.600-inch bore with a +43cc piston dish. It's engineered to handle significant horsepower, making it a solid foundation for a powerful street or race engine.

At its core is a 4340 forged steel crankshaft, chosen for its strength and durability under high stress. Paired with this are 4340 forged steel H-beam connecting rods. These rods come standard with 7/16-inch ARP 8740 cap screws, capable of supporting up to 900 horsepower. For those pushing the limits further, an upgrade to optional ARP 2000 cap screws is available, allowing this assembly to handle up to 1,500 horsepower. The pistons are Manley's Platinum Series, made from 2618 forged aluminum and include premium chrome moly wrist pins, ensuring they can withstand the demands of high compression and combustion pressures.

This assembly is a well-built package for serious engine builders. Please note that this part is not CARB approved and cannot be shipped to California. Always consult with your engine builder or refer to Manley's installation guidelines for specific assembly procedures and recommendations.

Specifications

Brand
Manley Performance
Manufacturer Part #
29565HXX
UPC
807298087481

Frequently Asked Questions

Manley Rotating Assembly, BBC 565 4.250 STROKE/4.600/+43cc

$4101.35