
Auburn 546018 GM 8.5" & 8.6" 10 Bolt Grip-N-Loc Differential
This Auburn Gear 546018 Grip-N-Loc Differential is for GM 8.5” & 8.6” 1971-88 10 Bolt rearends. It will accept Ring and Pinion gear ratios of 2.73:1 & higher. Features include case material up to 50% stronger than OE cases as well as hardened steel gears.
Auburn's exclusive technologies result in an even more robust differential to satisfy the extreme demands of serious drivers. If you push the limits of performance and traction through competition or extreme weather driving, their Grip-N-Loc is your best choice.
Auburn Gear 546018 Grip-N-Loc GM 8.5” & 8.6” 10 Bolt Differential Features:
- Fits 1971-88 10 bolt rearends
- For Gear Ratios 2.73:1 and higher
- Case material optimized for durability in extreme conditions
- Hardened steel gears minimize wear
- 2 Year Warranty (Industry best!)
- Exclusive Cone and Cup design
- 28 Tooth Side Gear Spline
- Bearing Cone: LM501349
- Bearing Cup: LM501314
- For C-Clip axles
Auburn’s Grip-N-Loc Limited Slip design ensures the high traction wheel can receive up to 4.5 to 5.5x as much torque as the low traction wheel. Their updated Cone clutch design provides an overall 25% increase in bias ratio. Exclusive optimized gear geometry in the cone clutch assembly increases durability for confident high-performance driving.
Original: $536.99
-65%$536.99
$187.95More Images


Auburn 546018 GM 8.5" & 8.6" 10 Bolt Grip-N-Loc Differential
This Auburn Gear 546018 Grip-N-Loc Differential is for GM 8.5” & 8.6” 1971-88 10 Bolt rearends. It will accept Ring and Pinion gear ratios of 2.73:1 & higher. Features include case material up to 50% stronger than OE cases as well as hardened steel gears.
Auburn's exclusive technologies result in an even more robust differential to satisfy the extreme demands of serious drivers. If you push the limits of performance and traction through competition or extreme weather driving, their Grip-N-Loc is your best choice.
Auburn Gear 546018 Grip-N-Loc GM 8.5” & 8.6” 10 Bolt Differential Features:
- Fits 1971-88 10 bolt rearends
- For Gear Ratios 2.73:1 and higher
- Case material optimized for durability in extreme conditions
- Hardened steel gears minimize wear
- 2 Year Warranty (Industry best!)
- Exclusive Cone and Cup design
- 28 Tooth Side Gear Spline
- Bearing Cone: LM501349
- Bearing Cup: LM501314
- For C-Clip axles
Auburn’s Grip-N-Loc Limited Slip design ensures the high traction wheel can receive up to 4.5 to 5.5x as much torque as the low traction wheel. Their updated Cone clutch design provides an overall 25% increase in bias ratio. Exclusive optimized gear geometry in the cone clutch assembly increases durability for confident high-performance driving.
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Product Information
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Description
This Auburn Gear 546018 Grip-N-Loc Differential is for GM 8.5” & 8.6” 1971-88 10 Bolt rearends. It will accept Ring and Pinion gear ratios of 2.73:1 & higher. Features include case material up to 50% stronger than OE cases as well as hardened steel gears.
Auburn's exclusive technologies result in an even more robust differential to satisfy the extreme demands of serious drivers. If you push the limits of performance and traction through competition or extreme weather driving, their Grip-N-Loc is your best choice.
Auburn Gear 546018 Grip-N-Loc GM 8.5” & 8.6” 10 Bolt Differential Features:
- Fits 1971-88 10 bolt rearends
- For Gear Ratios 2.73:1 and higher
- Case material optimized for durability in extreme conditions
- Hardened steel gears minimize wear
- 2 Year Warranty (Industry best!)
- Exclusive Cone and Cup design
- 28 Tooth Side Gear Spline
- Bearing Cone: LM501349
- Bearing Cup: LM501314
- For C-Clip axles
Auburn’s Grip-N-Loc Limited Slip design ensures the high traction wheel can receive up to 4.5 to 5.5x as much torque as the low traction wheel. Their updated Cone clutch design provides an overall 25% increase in bias ratio. Exclusive optimized gear geometry in the cone clutch assembly increases durability for confident high-performance driving.











