Nitro Lunch Box Locker (7/8" cross pin) Ford 8.8", 31 Spline - LBF8.8-31

Ford 8.8" with 7/8" cross pin
Nitro Lunch Box Locker - Automatic Locking Differential

Fits:
1997-2011 Ford F150 Pickup ( Front Differential)
1979-1986 Ford LTD
1987-1988 Ford Thunderbird Turbo Coupe
1986-1988 Mercury Cougar XR7 & V8
1984-1992 Lincoln Continental Mark VII
1980-2002 Lincoln Continental
1981-2011 Lincoln Town Car
1979-1986 Mercury Marquis
1983-2011 Mercury Grand Marquis
2003-2004 Mercury Marauder
1992-2011 Ford Crown Victoria
1989-2011 Ford Ranger w/ 4.0L V6 (Not FX4 Level II)
1986-2011 Ford Mustang

Differential: Ford 8.8" -10 bolt
Axle Splines: 31
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.