Sale

Engines and Components Crankshafts and Components

Callies

Magnum Dry Sump Crankshaft, 4.000" Stroke, 58X Reluctor

$4,033.90 $3,549.00 Save $484.90

SKU: AWO-31W-MG

In Stock
In Stock
Ships by Aug 1
Free Shipping over $100
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The Callies Magnum Dry Sump CCW Crankshaft (AWO-31W-MG) is engineered for Gen III/Gen IV LS engine applications. This crankshaft features a 4.000" stroke and is equipped with a GM 58X reluctor wheel for precise timing signals. Its counter-clockwise rotation is specific to certain engine configurations, ensuring compatibility with specialized setups. The 4.000" stroke increases displacement and potential power output. Ensure compatibility with your specific engine build and dry sump system before installation.

MIA's Description

The Callies Magnum crankshaft is a dry sump, counter-clockwise rotating crankshaft designed for Gen III/Gen IV LS engines. It features a 4.000" stroke and a GM 58X reluctor wheel.

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

BrandCallies
Part NumberAWO-31W-MG
CategoryEngines and Components

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