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Drivetrain› Differentials and Rear-End Components

B&M Racing (Holley)

DIFF COVER GM 8.2 8.5 8.6 10 BOLT CAS

$363.95 $322.95 Save $41.00

SKU: B056 70502

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

Easy — 1–2 hours

Description

The B&M Hi-Tek GM 10 Bolt Aluminum Differential Cover is constructed from thick A356.0-T6 aluminum to dissipate heat faster than factory steel units, keeping fluid temperatures lower under high-stress loads. It features a reinforced center bar for extra strength and load bolts to prevent bearing cap deflection. A magnetic drain plug is included for easy servicing, and the internal shape ensures proper fluid flow for gear and bearing lubrication. It is designed for GM 8.2", 8.5" & 8.6" 10 Bolt rear axles.

Fitment

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Specifications

BrandB&M Racing (Holley)
Part NumberB056 70502

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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