What components are included in this Manley rotating assembly?

This kit includes a 4340 forged steel crankshaft, 4340 forged steel H-beam connecting rods with ARP 8740 cap screws, and 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.

What is the horsepower rating for this assembly?

The assembly is rated for up to 750 horsepower with the standard ARP 8740 cap screws. An upgrade to optional ARP 2000 cap screws increases the rating to 1,500 horsepower.

Can this rotating assembly be shipped to California?

No, this assembly is not CARB approved and cannot be shipped to California due to emissions regulations.

Specifications

Brand: Manley Performance
Part #: 290230X
UPC: 807298068916

Manley Rotating Assembly, SBC 434 4.000 STROKE/-20cc DISH

Name: Manley Rotating Assembly, SBC 434 4.000 STROKE/-20cc DISH
Brand: Manley Performance
SKU: manley-performance-manley-rotating-assembly-sbc-434-4-000-stroke-20cc-dish-t14-881134
Price: 3431.69 USD
Availability: BackOrder

$3431.69

On Backorder

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

Manley Rotating Assembly, SBC 434 4.000 STROKE/-20cc DISH. Includes forged steel crank, rods, and pistons for a robust engine build.

Key Features

This kit includes a lightweight 4340 forged steel crankshaft, 4340 forged steel H-beam connecting rods with 7/16? ARP 8740 cap screws, and 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.
The crankshaft is forged from 4340 steel for a strong and reliable foundation.
Connecting rods are 4340 forged steel H-beam design, known for their strength.
Pistons are 2618 forged aluminum from Manley's Platinum Series.
This 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.

This is a universal rotating assembly 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

Secure CheckoutFast Shipping631-982-0042

About this part

Product Details

This Manley rotating assembly gives you a complete package to build a strong 434 cubic inch Small Block Chevy engine. Inside this kit, you'll find a lightweight 4340 forged steel crankshaft, a set of 4340 forged steel H-beam connecting rods, and 2618 forged aluminum pistons. This combination is designed to handle serious power and is a popular choice for performance engine builds.

The crankshaft is forged from 4340 steel, offering a solid foundation for your engine. The H-beam connecting rods are also made from tough 4340 forged steel and come equipped with 7/16? ARP 8740 cap screws. If you're planning for even higher horsepower, you have the option to upgrade to ARP 2000 cap screws for increased strength. The included 2618 forged aluminum pistons are part of Manley's Platinum Series and come with premium chrome moly wrist pins, ensuring durability under stress.

This assembly is rated for up to 750 horsepower with the standard ARP 8740 cap screws, and can handle up to 1,500 horsepower when equipped with the optional ARP 2000 cap screws. Please note that this assembly is not CARB approved and cannot be shipped to California. It's important to check all manufacturer installation guidelines before beginning your engine build.