Specifications
- Brand
- Manley Performance
- Part #
- 290930
- UPC
- 807298071367

Manley Rotating Assembly, SBC 383 3.750 STROKE/+11cc DOME
$3461.89
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Manley Rotating Assembly, SBC 383 3.750 STROKE/+11cc DOME. Includes forged steel crank, H-beam rods, and forged aluminum pistons.
Key Features
- This product includes a lightweight 4340 forged steel crankshaft.
- It comes with 4340 forged steel H-beam connecting rods featuring 7/16? ARP 8740 cap screws.
- The assembly includes 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.
- This rotating assembly is rated for up to 750 horsepower with the standard ARP 8740 cap screws.
- With optional ARP 2000 cap screws, this 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
When you're building a serious small-block Chevy, what you get in this box is a complete rotating assembly ready to be the heart of your engine. Inside, you'll find a lightweight 4340 forged steel crankshaft, a set of strong 4340 forged steel H-beam connecting rods, and 2618 forged aluminum pistons designed for performance. This assembly is built to handle significant power, giving you a solid foundation for your project.
The crankshaft is forged from 4340 steel, which is known for its strength and durability, making it a reliable choice for high-performance applications. The H-beam connecting rods are also forged from 4340 steel and come with 7/16? ARP 8740 cap screws, a well-known name in high-strength fasteners. If you're planning on pushing the limits, you can opt for ARP 2000 cap screws for even greater strength. The included pistons are forged from 2618 aluminum, a material chosen for its ability to withstand high temperatures and pressures, and they come with premium chrome moly wrist pins. This combination is designed to support horsepower ranges from 750 with the standard ARP 8740 fasteners up to 1,500 horsepower when using the optional ARP 2000 cap screws.
This rotating assembly is a popular choice for builders looking to create a powerful 383 cubic inch small-block Chevy. It's important to note that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's detailed installation instructions for proper assembly and tuning to ensure optimal performance and longevity.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 290930
- UPC
- 807298071367
Frequently Asked Questions
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Manley Rotating Assembly, SBC 383 3.750 STROKE/+11cc DOME
