The Spartan locker by USA standard gear is a mechanical locker that fits inside a standard case. The Spartan locker's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect. This unit does use the stock side gears. Product Features:Fits Suzuki SamuraiMade from 9310 steel for added strength Works with stock side gears in standard carrier case
