Ron's Machining Service

Elite Gear

Elite ring and pinion sets use the latest engineering and manufacturing technology to produce OEM quality gears at an affordable price. All Elite gears are machined from premium 8620 alloy steel, then heat treated to the strictest standards for maximum strength and durability. Elite gears then go through an extensive lapping process to assure easy setup, excellent contact patterns, and quiet operation.  

Auburn Posi LSD

Hook up with Auburn Gear High Performance series differentials and outperform the competition! These differentials deliver superior performance through a unique cone-clutch design that transfers more power to the high-traction wheel for quick acceleration and tight cornering. The Auburn High Performance limited-slip series is engineered to provide smooth torque-sensing operation with the correct bias ratios to meet your performance needs--whether they involve daily driving or muddy back roads. Plus, every gear unit is inspected and hand-assembled in America. No matter what you're driving, Auburn Gear High Performance series differentials will maximize your vehicle's traction for optimum performance. Includes posi additive. Auburn Gear products are proudly made in the USA!

Recommended oil is standard 80/90 weight (non-synthetic) (with posi additive).

Master Install Kit

Premium master install kit uses only the highest quality components including Koyo brand bearings. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush collar (if applicable), threadlock, marking compound, brush, and gasket or RTV silicone.  

Application: 1965-1981 GM 8.875" Chevy 12 Bolt Truck Rearend (12 bolt rear cover)

Axle Spline: 30

Pinion Splines: 30

Package Includes:

1- Chevy 12 Bolt Truck Elite Ring and Pinion set

1- Chevy 12 Bolt Truck Auburn Posi LSD

1- Chevy 12 Bolt Truck Master install kit