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

This Manley Performance rotating assembly is built for the Small Block Chevy (SBC) 434ci engine, featuring a 4.000-inch stroke. It's a well-built package designed for builders looking to create a high-performance engine capable of significant power output. If you're assembling a performance engine for a street rod, race car, or a serious street machine, a balanced rotating assembly like this is the foundation for reliable power.

At the heart of this assembly is a lightweight 4340 forged steel crankshaft, chosen for its strength and ability to handle high RPMs and significant stress. Paired with it are 4340 forged steel H-beam connecting rods. These rods are robust and come standard with 7/16" ARP 8740 cap screws, a solid choice for many performance builds. For those pushing the limits, there's an option to upgrade to ARP 2000 series cap screws, which can support up to 1,500 horsepower, compared to the 750 horsepower rating with the standard ARP 8740 bolts. The pistons are 2618 forged aluminum from Manley's Platinum Series, known for their durability and heat resistance, and they include premium chrome moly wrist pins for added strength.

This assembly is a critical component for anyone building a powerful SBC engine. It’s important to note that this assembly is not CARB approved and cannot be shipped to California. Ensure you consult with your engine builder or refer to Manley's specifications for proper balancing and installation procedures to achieve the best results for your specific application.