GM 8.6" 10 Bolt Richmond Excel Ring and Pinion Gear Set w/ Master Bearing Kit


GM85308 R10RLMK

Gear & Install Package

Richmond Excel

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High Performance GM 8.6" 10 Bolt Master Gear Package

  Product Images

GM 8.6 10 Bolt Richmond Excel Ring and Pinion Gear Set Package with Master Bearing Install Kit
GM 8.6 10 Bolt Richmond Excel Ring and Pinion Gear Set
GM 8.6 10 Bolt Motive Gear Master Bearing Install Kit


Package Includes:

(1) Richmond Excel Ring and Pinion Gear Set
(1) Motive Master Bearing Install Kit

- Excel from Richmond Gear is growing to be the best selling gear on the market today. With such and affordable price, and superior quality, these gear sets are proving to be todays top choice among the daily driver crowd, weekend warriors, and even high performance track cars. Richmond backs its Excel product line with a 1 year or 50,000 mile warranty. See what the buzz is about, and buy Excel from Richmond Gear today!

- All Motive Gear master bearing kits include: front and rear pinion bearing, pinion seal, pinion nut, pinion shims, carrier bearings, carrier shims, pilot bearing (where applicable), crush sleeve, ring gear bolts, gear marking compound, brush, thread locking compound, and cover gasket or RTV.


  • 2004-2007 Buick Rainier
  • 2002-2008 Cadillac Escalade
  • 2003-2008 Cadillac Escalade ESV
  • 2002-2008 Cadillac Escalade EXT
  • 2007-2008 Chevrolet Avalanche
  • 2002-2005 Chevrolet Avalanche 1500
  • 1999-2005 Chevrolet Blazer
  • 1999-2008 Chevrolet Express 1500
  • 1999-2004 Chevrolet S10
  • 1999-2008 Chevrolet Silverado 1500
  • 2007-2007 Chevrolet Silverado 1500 Classic
  • 2001-2002 Chevrolet Silverado 1500 HD
  • 2000-2006 Chevrolet Sonora
  • 2003-2006 Chevrolet SSR
  • 2000-2008 Chevrolet Suburban 1500
  • 2003-2008 Chevrolet Tahoe
  • 2002-2008 Chevrolet Trailblazer
  • 2002-2008 GMC Envoy
  • 2002-2006 GMC Envoy XL
  • 2004-2005 GMC Envoy XUV
  • 1999-2005 GMC Jimmy
  • 1999-2008 GMC Savana 1500
  • 1999-2008 GMC Sierra 1500
  • 2001-2002 GMC Sierra 1500 HD
  • 1999-2004 GMC Sonoma
  • 2000-2008 GMC Yukon
  • 2000-2008 GMC Yukon XL 1500
  • 2007-2007 GMC Yukon XL 2500
  • 2003-2008 Isuzu Ascender
  • 1999-2000 Isuzu Hombre


  • Cover Bolt Quantity: 10
  • Differential Carrier Break: 2.73 and Higher
  • Differential Model: GM 8.5" / 8.6"
  • Pinion Shaft Diameter: 1.626 Inch
  • Pinion Spline Count: 30
  • Ring Gear Bolt Quantity: 10
  • Ring Gear Diameter: 8.5 Inch
  • Ring Gear Material: 8620 Steel
  • Ring Gear Rotation: Standard
  • Bearing Type: Koyo

  Manufacturers Info


  - Excel from Richmond Gear

Excel’s broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.

Richmond is the leading manufacturer of professional quality, hi-performance ring and pinion sets. For over 80 years, the Double Diamond has signified the highest quality gears in the racing industry!

The superior quality of Richmond Performance Products is a result of continual research and development, outstanding design and state-of the-art manufacturing. Extensive testing is performed on all Richmond products. Engineered to perform faster and more reliable, our products are winners both at the Daytona 500 and U.S. Nationals for decades!

  - Motive Gear

Motive Gear is the leading manufacturer of driveline products for just about any vehicle, whether it is a stock daily driver to full-competition 4×4 or racecar. We are proud to offer an unmatched selection of quality components engineered and manufactured for the vehicle and for the way it is driven. Motive Gear products are engineered to meet or exceed OEM specifications at a price that won’t break your budget. Our broad selection of ring & pinion ratios, limited slip and locking differentials, carriers, spools, manual transmission and transfer case components, rebuild kits, bearings, seals, gaskets, shims and hardware is available for just about every vehicle made from the 1940s through the present. DIY customers and professional installers alike appreciate our installation kits, which come complete with everything needed to install a ring & pinion set, right down to the seals, gaskets, and RTV.

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