Engines and Components› Crankshafts and Components

Callies

Ultra Billet Crankshaft [2.600-4.600" Stroke]

$5,076.00

SKU: AWO-31@-UB

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In Stock
Ships by Jul 30
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Description

The Callies Ultra Billet crankshaft is a high-performance component machined from Premium Grade Timken alloy steel for unmatched toughness. It features unique Ultra-Shed counterweight profiles that manage oil flow and an Aero-Shed Super Finish for a stress-riser-free and aero-efficient surface. This crankshaft offers a stroke range of 2.600 to 4.600 inches and is available with LS1, LS7, and LT1 posts.

Available with 6, 8, or 9 bolt pattern flange options, it supports various rod and main journal sizes. The Ultra Billet comes standard with no-drill balance, aero-efficient Ultra-Shed counterweight profiling, and Aero-Shed super finishing. All Ultra LS billets are produced from Timken 4330 alloy steel.

Fitment

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Specifications

BrandCallies
Part NumberAWO-31@-UB
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.

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