Specifications
- Brand
- Manley Performance
- Part #
- 290135R
- UPC
- 807298068701
Manley Rotating Assembly, SBC 383 3.750 STROKE/-4cc FLAT
$3420.95
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Manley Rotating Assembly, SBC 383 3.750 STROKE/-4cc FLAT. Includes forged steel crank, rods, and pistons for a complete engine build.
Key Features
- This product includes a Manley 4340 forged steel crankshaft with a 3.750-inch stroke, 4340 forged steel H-beam connecting rods with 7/16-inch ARP 8740 cap screws, and 2618 forged aluminum pistons with -4cc flat tops and premium chrome moly wrist pins.
- The 4340 forged steel crankshaft is lightweight and built for durability.
- The 4340 forged steel H-beam connecting rods are designed for high-stress applications.
- The included pistons are 2618 forged aluminum, a material chosen for its performance characteristics.
- This assembly is rated for up to 750 horsepower with the standard ARP 8740 cap screws.
- With optional ARP 2000 cap screws, this rotating assembly can support up to 1,500 horsepower.
⚠️ 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
Product Details
This Manley rotating assembly gives you the core components for a robust 383 cubic inch Small Block Chevy engine build. Inside this kit, you'll find a lightweight 4340 forged steel crankshaft designed for a 3.750-inch stroke, a set of strong 4340 forged steel H-beam connecting rods, and 2618 forged aluminum pistons featuring a -4cc flat top design. This combination is built to handle serious power, making it a solid foundation for performance builds.
The crankshaft and connecting rods are forged from 4340 steel, a material known for its strength and durability under high stress. The H-beam connecting rods come equipped with 7/16-inch ARP 8740 cap screws, which are well-suited for builds up to 750 horsepower. For those aiming for even higher output, optional ARP 2000 cap screws are available, allowing this assembly to support up to 1,500 horsepower. The included pistons are forged from 2618 aluminum, a popular choice for performance applications due to its expansion characteristics, and they come with premium chrome moly wrist pins for added reliability.
This assembly is a significant step up from stock components, offering the strength and precision needed for performance engine work. Please note that this part is not CARB approved and cannot be shipped to California. Always consult your engine builder or refer to Manley's technical documentation for specific assembly and installation requirements.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 290135R
- UPC
- 807298068701
Frequently Asked Questions
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Manley Rotating Assembly, SBC 383 3.750 STROKE/-4cc FLAT