Nitro Gear and Axle strives to provide the highest quality differential components available. We take the steps necessary to ensure our parts are dependable. Our product range is continually growing to meet the needs of consumers for new ratios and applications. At Nitro we know differentials, and know what it takes to provide you with high quality components.
Details:

• GM 8.5 Inch, 28 Spline, Nitro Lunch Box Locker
• Differential: GM 8.5 Inch - 10 Bolt
• Axle Splines: 28
• Material: 9310 Steel
• Manufacturer: Nitro Gear and Axle
• Warranty: 1 Year
• Sold As A Kit

Tech Note:

• LunchBox Lockers replace the internal spider gears of an open differential only
• Will not work inside limited slip carriers - Open, empty carrier cases sold separately
• Use Replacement Spring Kit LBSPRING-SML For Maintenance

Fit Vehicles:

• 1970-1989 Chevrolet Pickup (Front and Rear)
• 1970-1989 GMC Pickup (Front and Rear)