If you're diving into a rebuild or just need to refresh your differential, the USA Standard Master Overhaul Kit is where you want to start. This kit is designed specifically for the GM 8.5 inch front differentials, so you know it’s got the right stuff to get the job done right.

• Perfect fit for GM 8.5 inch front differentials—no guesswork here.
• Comes with high-quality Koyo bearings and races, so you’re set for the long haul.
• You’ll find everything you need in the box: carrier bearings, pinion bearings, races, seals, a complete shim kit, ring gear bolts, a pinion nut, a crush sleeve, thread locker, marking compound with a brush, and a gasket. Seriously, it’s all there.

And hey, if you’re worried about defects, you’re covered with a one-year warranty. It’s nice to have that peace of mind when you’re putting in the work.

Here’s the scoop on what this kit fits:

• Chevrolet Blazer (1987-1991)
• Chevrolet C/K 10 (1977-1986)
• Chevrolet C/K 20 (1977-1986)
• Chevrolet K5 Blazer (1977-1986)
• Chevrolet R/V 10 (1987)
• Chevrolet R/V 20 (1987)
• Chevrolet Suburban (1977-1991)
• GMC C/K 15 (1977-1978)
• GMC C/K 1500 (1979-1986)
• GMC C/K 25 (1977-1978)
• GMC C/K 2500 (1979-1986)
• GMC V1500 (1987)
• GMC V1500 Suburban (1988-1989)
• GMC V2500 (1987)
• GMC V2500 Suburban (1988-1991)

This overhaul kit really takes the stress out of your differential rebuild. Whether you're restoring a classic or just keeping your daily driver in top shape, this kit has got your back.