DoctorDiff fully machined 8 3/4" clutch sure-grip ("powr-lok) posi includes upgraded 1 piece 30 spline side gears. Fits all gear ratios and all 8.75 castings (489, 741, 742). 25520 and 25590 carrier bearings/races.These are not the same units offered by others. Use conventional 85 W 140, GL-5 grade gear lube, plus 1 bottle Ford friction modifier additive. The item "Chrysler Mopar 8 3/4, 8.75 Power-lock Powr-Lok Clutch Sure-Grip Posi machined" is in sale since Saturday, May 23, 2020. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Transmission & Drivetrain\Differentials & Parts". The seller is "doctordiff1" and is located in Polson, Montana. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Costa rica, Panama, Trinidad and tobago, Guatemala, Honduras, Jamaica, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Turks and caicos islands, Bangladesh, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Liechtenstein, Luxembourg, Monaco, Macao, Martinique, Nicaragua, Peru, Pakistan, Paraguay, Viet nam, Uruguay.