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Est. 1957
Manley Performance

Manley Rotating Assembly, SBC 383 3.750 STROKE/+11cc DOME

$3665.97

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Manley Performance SBC 383 rotating assembly. 3.750" stroke, 750-1500 HP range.

Key Features

  • Fits Small Block Chevy (SBC) engines with a 3.750 inch stroke and +11cc dome pistons.
  • Includes a lightweight 4340 forged steel crankshaft for strength and reduced rotational mass.
  • Features 4340 forged steel H-beam connecting rods with 7/16? ARP 8740 cap screws.
  • Comes with 2618 forged aluminum Platinum Series pistons and premium chrome moly wrist pins.
  • Rated for 750 horsepower with standard ARP 8740 cap screws.
  • Capable of handling up to 1,500 horsepower with optional ARP 2000 series cap screws.
This rotating assembly is designed for Small Block Chevy engines. Check manufacturer specifications to confirm compatibility with your specific engine 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

Manley Performance is well-known for making strong internal engine components. This 383 cubic inch rotating assembly for Small Block Chevy engines is built to handle serious power. It includes a lightweight 4340 forged steel crankshaft, 4340 forged steel H-beam connecting rods, and 2618 forged aluminum pistons, all designed to work together as a balanced unit for your engine build.

The 4340 forged steel crankshaft is chosen for its strength and lighter weight compared to cast iron, making it a solid foundation for high-performance engines. The H-beam connecting rods are also forged from 4340 steel and come equipped with 7/16? ARP 8740 cap screws, which are known for their reliability under stress. If you're aiming for extreme power levels, you can opt for ARP 2000 series cap screws for even greater strength. The included 2618 forged aluminum pistons are part of Manley's Platinum Series and come with premium chrome moly wrist pins, ensuring durability and performance.

This assembly is rated for up to 750 horsepower when using the standard ARP 8740 cap screws, and can handle an impressive 1,500 horsepower with the optional ARP 2000 series cap screws. Please note that this assembly is not CARB approved and cannot be shipped to California. It's a robust option for builders looking to create a powerful and reliable Small Block Chevy engine.

Specifications

Brand
Manley Performance
Manufacturer Part #
290935RH
UPC
807298080338

Frequently Asked Questions

Manley Rotating Assembly, SBC 383 3.750 STROKE/+11cc DOME

$3665.97