Drivetrain› Differentials and Rear-End Components

Oldsmobile

8.5" 12-Bolt Positraction 31-Spline

$1,020.00

SKU: 59006

In Stock
In Stock
Ships by Aug 4
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30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The USA Standard Gear 8.5" Oldsmobile Positraction unit is a robust component designed to enhance traction and performance for your Oldsmobile rear axle. Featuring a 12-bolt design and 31 splines, this positraction unit is engineered for durability and reliable operation. This particular model is specifically designed to work with 8.5-inch Oldsmobile rear ends and is compatible exclusively with OEM 3.08 and 3.23 gear sets. It also accommodates Richmond Gear ring and pinions, offering some flexibility for enthusiasts. With a 1-year warranty, this USA Standard Gear product provides peace of mind, ensuring you receive a quality component for your vehicle. It is suitable for daily driven vehicles and mild off-road use, making it a versatile upgrade for Oldsmobile owners seeking improved traction.

MIA's Description

The USA Standard Gear 8.5" Oldsmobile Positraction is a 12-bolt rear end component designed for Oldsmobile vehicles. It features a 31-spline design and is compatible with OEM 3.08 and 3.23 gear sets only.

Fitment

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Specifications

BrandOldsmobile
Part Number59006
CategoryDrivetrain

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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