Specifications
- Brand
- Manley Performance
- Part #
- 38615X
- UPC
- 807298093468

Manley Rotating Assembly, BBC 615 4.625 STROKE/4.600/-3cc
$3795.58
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Manley Rotating Assembly, BBC 615 4.625 STROKE/4.600/-3cc. Built for high-horsepower BBC builds up to 1500 HP.
Key Features
- Verified fitment for Big Block Chevrolet (BBC) engines.
- Includes a 4340 forged steel crankshaft with a 4.625 inch stroke.
- Features 4340 forged steel H-beam connecting rods with 7/16? ARP 8740 cap screws.
- Comes with 2618 forged aluminum Platinum Series pistons with premium chrome moly wrist pins.
- Pistons have a -3cc dish volume.
- Rated for up to 900 horsepower with ARP 8740 cap screws.
⚠️ 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
If you're building a serious big block Chevrolet engine and need a solid foundation, this Manley rotating assembly is a popular choice. It's designed to handle significant power, whether you're aiming for a street-strip monster or a dedicated race engine. This kit includes a robust 4340 forged steel crankshaft, strong 4340 forged steel H-beam connecting rods, and lightweight 2618 forged aluminum pistons.
The crankshaft is forged from 4340 steel, giving it the strength needed for high RPM and heavy loads. The H-beam connecting rods are also made from 4340 forged steel and come equipped with 7/16? ARP 8740 cap screws for reliable fastening. If you plan on pushing the limits, you can opt for ARP 2000 cap screws for even greater strength, allowing the assembly to handle up to 1,500 horsepower. The included Platinum Series pistons are forged from 2618 aluminum and feature premium chrome moly wrist pins, ensuring durability under extreme conditions. These pistons have a -3cc dish volume, which will factor into your final compression ratio depending on your cylinder head choice.
This assembly is a well-built starting point for a high-performance BBC build. Keep in mind that this part is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for proper assembly and torque specifications.
Specifications
- Brand
- Manley Performance
- Manufacturer Part #
- 38615X
- UPC
- 807298093468
Frequently Asked Questions
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Manley Rotating Assembly, BBC 615 4.625 STROKE/4.600/-3cc
