Drivetrain› Differentials and Rear-End Components

Nitro Gear & Axle

GM 9.76 Inch 12 Bolt 2014-Present 6.2L 4.30 Ratio Ring and Pinion Nitro Gear & Axle

$47.78

SKU: N00E GM9.76K2-430-NG

In Stock
In Stock
Ships by Aug 6
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: GM9.76K2-430-NG

Nitro gears are manufactured from 8620 steel gear forgings in the same manufacturing facilities as GM, Dodge, Ford and Toyota. They are precision machined using computer controlled processes, heat treated, CNC triple-lapped and Rockwell tested for hardness. These extra steps ensure excellent fitment, ideal contact pattern and smooth, quiet operation.Features:GM 9.76 Inch 12 Bolt 2014-Present 6.2L 4.30 Ratio Ring and PinionDifferential: GM 9.76 Inch 12 Bolt K2Gear Ratio: 4.30Tooth Count: 43/10Pinion Splines: 32Ring Gear Bolts: 12 (not included)Warranty: 2 YearsNotes:Use with: MKGM9.76 Nitro Master Install KitRequires MRG925A if replacing Factory 3.23 and Down RatiosFits:2014 and Newer Chevrolet Silverado/Sierra 1500, 6.2L2014 and Newer Chevrolet Suburban 2500, 6.2L2014 and Newer Chevrolet Tahoe, 6.2L2014 and Newer GMC Yukon 2500, 6.2L

MIA's Description

The Nitro Gear & Axle GM9.76K2-430-NG is a ring and pinion gear kit designed for GM 9.76-inch rear axles with a 4.30 gear ratio. It improves low-end torque and acceleration, especially for oversized tires or heavy towing. The kit is crafted from high-grade steel and precision-machined for exact fitment, with heat-treated components for superior strength and wear resistance.

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

BrandNitro Gear & Axle
Part NumberN00E GM9.76K2-430-NG

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