Auto Barn
Est. 1957
Manley Performance

Manley Rotating Assembly, BBC 516 4.000 STROKE/4.530/+2cc

$3764.63

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Manley Rotating Assembly, BBC 516 4.000 STROKE/4.530/+2cc. Built for high-horsepower BBC builds up to 1500 HP.

Key Features

  • This rotating assembly includes a 4340 forged steel crankshaft with a 4.000-inch stroke.
  • The 4340 forged steel H-beam connecting rods are fitted with 7/16-inch ARP 8740 cap screws.
  • Optional ARP 2000 cap screws can be installed for increased horsepower capacity.
  • The 2618 forged aluminum Platinum Series pistons have a +2cc valve relief and Premium Chrome Moly wrist pins.
  • This assembly is rated for up to 900 horsepower with ARP 8740 bolts and up to 1,500 horsepower with optional ARP 2000 bolts.
  • This part is not CARB approved and cannot ship to California.
This rotating assembly is designed for BBC (Big Block Chevrolet) engines. Check manufacturer specifications to confirm compatibility with your specific engine block and build.

⚠️ 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

Built from 4340 forged steel, this Manley rotating assembly is designed for serious big-block Chevrolet performance builds. The crankshaft features a 4.000-inch stroke, paired with 4.530-inch bore pistons that have a +2cc valve relief. This combination is a solid foundation for engines aiming for significant power output.

The H-beam connecting rods are also forged from 4340 steel and come equipped with 7/16-inch ARP 8740 cap screws. For those pushing the limits, optional ARP 2000 cap screws are available, allowing this assembly to handle up to 1,500 horsepower. The included 2618 forged aluminum pistons are part of Manley's Platinum Series, featuring Premium Chrome Moly wrist pins for added durability under stress.

This assembly is a well-built choice for engine builders looking for robust components that can withstand high-RPM operation and substantial power. Please note that this part is not CARB approved and cannot be shipped to California. Always consult the manufacturer's installation instructions for proper assembly and torque specifications.

Specifications

Brand
Manley Performance
Manufacturer Part #
29516HX
UPC
807298087351

Frequently Asked Questions

Manley Rotating Assembly, BBC 516 4.000 STROKE/4.530/+2cc

$3764.63