If you're diving into a rear end rebuild, the USA Standard Master Overhaul Kit is your best bet to get the job done right. This kit is tailored specifically for the Ford 9-inch with LM603011 carrier races, so you know it’s going to fit like a glove.

• Designed for Ford 9-inch differentials—perfect for those classic builds.
• Comes packed with top-notch Koyo bearings and races—these guys know their stuff, and you’ll feel the difference.
• You’ll get everything you need: carrier bearings and races, pinion bearings and races, a pinion seal, a complete shim kit, ring gear bolts, a pinion nut, a crush sleeve, a pilot bearing, thread locker, marking compound with a brush, and a gasket. Seriously, it’s all in there.

With a one-year warranty against manufacturer defects, you can rest easy knowing you're covered if anything goes sideways. And when it comes to fitment, this kit covers a lot of ground:

It fits a range of Ford models, including:

• Bronco (1966-1986)
• E-100 (1975-1978)
• E-150 (1979-1988)
• F-100 (1957-1983)
• F-150 (1975-1987)
• Fairlane (1957-1970)
• Falcon (1960-1970)
• Galaxie (1959-1967)
• Galaxie 500 (1968-1974)
• Gran Torino (1972-1976)
• Granada (1975-1979)
• LTD (1967-1979)
• Mustang (1965-1973)
• Ranchero (1957-1979)
• Thunderbird (1957-1979)
• Lincoln Continental (1961-1979)
• Lincoln Mark III (1969-1971)
• Mercury Comet (1964-1969 & 1971-1977)
• Mercury Cougar (1967-1979)
• Mercury Grand Marquis (1975-1980)

So, if you're looking to rebuild your differential and want something that’s reliable and comes with all the right parts, this overhaul kit is where it's at. It’s got the quality and the specs to keep your ride rolling smooth for years to come.