Yukon Gear Grizzly Locker For Dana 30 / 27 Spline / 3.73+ 4372635-114619802

Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance. The Yukon Grizzly Locker is a mechanical positive-locking differential that’s engineered for rock crawling, serious trail running, off-road racing, and drag racing. The unit provides 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly Locker is a patented design that features innovations that make it tougher than the competition. Its inner clutch teeth have a larger radius at the base, which offers up to 350% greater strength versus back-cut designs. The Grizzly Locker’s larger teeth also resist breakage caused by shock-loading or catastrophic axle failure. It’s a serious piece of mechanical engineering for serious driving conditions. Fits Dana 30, 27 spline, 3.73 and up ratios. Grizzly Lockers are a mechanical locking differential designed for off-road and racing use. Patented design reduces common locker failures. This unit is double drilled for both 3/8in./7/16in. ring gear bolts. D30 27spl 3.73&up GRIZZLY LOCKER,1.627”jrnl ( uses LM501349/14 brgs)