SHIPS FREE TO THE LOWER 48 STATES Late G1 Early G2 Standard Rear Differential Rebuild Kit There are a few options for rebuild kits, please measure your parts before ordering!! OEM Rear Differential Gear set 10/36 Ring and Pinion gear set. The gears are straight cut as pictured. Paired with high quality aftermarket bearings along with double lip axle seals. This kit should be installed by an experienced technician. Ring gear shims are included as the gears will need to be set up in your cases, the pinion shims should remain unchanged Note: the O rings are not included, this is a cost savings measure as they are generally reusable. There are a few options for kits, please verify your differential uses this style of gears before ordering! This will only fit six mounting hole differentials. Open up the differential! Check for two bearings total (one on each side) on the ring gear. If you only have two proceed to the next measurement. Measure your outer diameter of your axle seals! They should measure close to 1 3/4" (47mm) To further verify fitment you can measure your pinion pilot shaft, this should be 9/16? (14mm) The last pictures show this very clearly. Please take the time to measure your parts before buying this will save time and restocking fees.