Ring and Pinion - High Performance - 4.11 Ratio - 30 Spline Pinion - 8.5 in / 8.625 in - GM 10-Bolt - Kit

Yukon Gear High Performance Gear Set For GM 8.5in & 8.6in in a 4.11 Ratio

Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set for as long as you own your vehicle. Whether you’ve added tons of horsepower under the hood, upgraded to bigger tires, are just want to optimize the traction performance of your ride, Yukon offers the widest selection of gear ratios on the market to accommodate every need.

Additional Information

Yukon Gear/Axle high performance ring/pinions set the standard for quality. Yukon designed the gear tooth surface finish to reduce friction and heat; and use high grade steel in both the ring/pinion; with fitment designed to OEM spec

Part Type

Differential Ring and Pinion

Product Overview

Yukon Gear & Axle high performance ring & pinions set the standard for quality. Yukon Engineers use state-of-the art design & testing processes, backed by 2 in-house quality labs to ensure each item manufactured meets exacting specifications & quality standards. Yukon designed gear tooth surface finish reduces both friction & heat for long races & high torque conditions. We use high grade steel in both the ring & pinion, with fitment designed to OEM specs. Go ahead, add loads of horsepower & go big on tires because Yukon offers the widest selection of gear ratios to choose from. You?ll know that your gear choice was the right one, because you chose Yukon. Yukon Ring & Pinions come with a 1 year warranty against manufacture defects. Yukon offers a Y.E.S. Plan for a lifetime, comprehensive, no-questions-asked protection plan covering your gears for as long as you own the vehicle.

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.

• 10 ring gear bolts
• 30 spline pinion
• 4.11 ratio
• 8.50 in. Ring Gear Diameter
• 8.50" ring gear diameter
• Fits GM 8.5 in. And 8.6 in.
• Fits GM 8.5" and 8.6"

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Product Details

Product Downloads

#	Document Type	Download
1.	Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Reference Information