Nitro Lunch Box Locker (AMC 8.875") Dana Model 20, M20, 29 spline - LBM20

AMC - Dana Model 20
Nitro Lunch Box Locker - Automatic Locking Differential

Fits:
1976-1986 Jeep CJ7
1976-1983 Jeep CJ5
1982-1986 Jeep Scrambler CJ8
1979-1986 Jeep Wagoneer & Grand Wagoneer FSJ
1967-1974 AMC Ambassador
1968-1970 AMC AMX
1972-1976 AMC Gremlin 304 V8
1970-1977 AMC Hornet with V8
1968-1974 AMC Javelin with V8
1971-1978 AMC Matador
1978-1978 AMC Pacer with 304 V8
1979 AMC Spirit

Differential: Dana Model 20 (8.875")
Axle Splines: 29
Manufacturer: Nitro Gear & Axle
Material: 9310 Steel
Tech Note:
Picture is of a generic LunchBox Locker, parts included may vary depending on application.
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.

Nitro Gear & Axle strives to provide the highest quality differential & axle 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.