Engines and Components Engines, Blocks and Components

Manley Performance

Manley Rotating Assembly, BBC 565 4.250 STROKE/4.600/-3cc

$3,938.66

SKU: M004 28565RH

In Stock
In Stock
Ships by Jun 9
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Manley Chevy Big Block 565CID Low Compression Rotating Assembly fits 9.800" block. This kit includes a Manley 4340 non-twist lightweight forged steel 4.250" crankshaft, Manley 4340 forged steel H-beam 6.385" connecting rod with optional 7/16" ARP 2000 cap screws (rated for 1500hp), Manley 2618 forged aluminum platinum series pistons 4.600" 1.395CH -3cc flat top pistons #696380, Manley Premium chromoly wrist pins, Total Seal 1/16"-1/16"-3/16" piston rings, and Clevite high performance rod (narrowed) and main bearings. All components are precision balanced by Manley in-house. The crankshaft and connecting rods are heat treated, stress relieved, shot peened, nitrided, and 100% magna fluxed for durability and performance.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandManley Performance
Part NumberM004 28565RH

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy