Drivetrain Differentials and Rear-End Components

Motive Gear

~(17.4 lbs. 14X10X5)~ RP GM 8.5 8.6 4.10 EXL

$229.17

SKU: M01Z GM85410

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INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

~(17.4 lbs. 14X10X5)~ RP GM 8.5 8.6 4.10 EXL

MIA's Description

The EXCEL from Richmond GM85410 is a ring and pinion gear set designed for GM 8.5-inch and 8.625-inch rear axles. It features a 4.10:1 gear ratio and is constructed from 8620 steel with a computer-controlled heat treatment for durability. This gear set is compatible with differential carriers that have a 2.73 and numerically higher ratio.

Fitment

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Specifications

BrandMotive Gear
Part NumberM01Z GM85410

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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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