{"title":"Positraction Packages - GM 8.875\" Truck Rear, 1963-1982","description":"","products":[{"product_id":"1963-1982-gm-8-875-12-bolt-truck-gear-and-limited-slip-posi-package-w-install-kit","title":"1963-1982 GM 8.875\" 12 Bolt Truck - Gear and Limited Slip Posi Package w\/ Install Kit","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"row\"\u003e\n\u003cdiv class=\"col-xs-12\"\u003e\n\u003cdiv class=\"jumbotron\"\u003e\n\u003ch2 class=\"text-center\"\u003eGM 8.875\" 12 Bolt Truck Posi Package\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cdiv class=\"panel panel-default\"\u003e\n\u003cdiv class=\"panel-heading\"\u003e\n\u003ch2 class=\"panel-title\"\u003e\n\u003cspan class=\"fa fa-file-text fa-lg\"\u003e\u003c\/span\u003e  Description\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel-body\"\u003e\n\u003ch3 class=\"text-center\"\u003ePackage Includes:\u003c\/h3\u003e\n\u003cp class=\"text-center\"\u003e\u003cstrong\u003e(1) Limited Slip Positraction Carrier\u003cbr\u003e(1) Ring and Pinion Gear Set (Choose Ratio Above)\u003cbr\u003e(1) Differential Master Install Kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cbr\u003e\n\u003cp\u003e- Our Rigid Axle Eaton style limited-slip positraction unit uses \u003cstrong\u003eRaybestos composite clutches\u003c\/strong\u003e for smooth and aggressive traction. The carrier case is \u003cstrong\u003eforged steel\u003c\/strong\u003e for strength and reliability. Because this carrier is an eaton style clutch posi, it can be \u003cstrong\u003erebuilt and serviced\u003c\/strong\u003e. Our Rigid Axle positraction is the perfect choice for daily drivers, weekend warriors, towing, basic off-road use, and street\/strip applications. See below for some key features and tech specifications:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eFully Machined, High Strength Nodular Case\u003c\/li\u003e\n\u003cli\u003eRaybestos Composite Clutches\u003c\/li\u003e\n\u003cli\u003eServiceable \u0026amp; Rebuildable Design\u003c\/li\u003e\n\u003cli\u003e1 Year Warranty against Manufacturer Defects\u003c\/li\u003e\n\u003cli\u003eNon-Synthetic GL-5 Gear Oil Recommended\u003c\/li\u003e\n\u003cli\u003eFriction Modifier Required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003cp\u003e- *Note: 1963-1964 12 Bolt Truck applications require a 30 spline yoke.\u003c\/p\u003e\n\u003cp\u003e- *Note: The GM 8.875\" 12 Bolt Truck differential has carrier breaks at 2.73 \/ 2.76-3.42 \/ 3.73. That means if you have 3.42 gears from the factory, and would like to run a 4.56 ratio, you will need to buy a thick gear, or a new carrier. Contact support if you need help figuring out what carrier you have.\u003c\/p\u003e\n\u003cp\u003e- Rigid Axle's aftermarket ring and pinion gear sets are made from heat treated \u003cstrong\u003e8620 steel\u003c\/strong\u003e. Our aftermarket gear set is made using a five-cut, \u003cstrong\u003eface milled\u003c\/strong\u003e manufacturing process. Once set up correctly, this will give a square contact pattern on the drive and coast side of each tooth. We are proud of our ring and pinion lines, and you will be too!\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"\/pages\/ring-and-pinion-break-in-procedure\"\u003e- Remember to properly break in your new gear set! Click here for instructions!\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e- Our Master overhaul kits come with everything you need to replace, modify, or rebuild your differential. This will allow you to get the job done quicker, and cheaper at the end of the day. Rigid Axle master bearing install kits include:\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBoth (Inner \u0026amp; Outer) Pinion Bearings and Races\u003c\/li\u003e\n\u003cli\u003eCarrier Bearings and Races\u003c\/li\u003e\n\u003cli\u003ePinion and Carrier Shims\u003c\/li\u003e\n\u003cli\u003ePinion Seal\u003c\/li\u003e\n\u003cli\u003ePinion Nut\u003c\/li\u003e\n\u003cli\u003eRing Gear Bolts\u003c\/li\u003e\n\u003cli\u003eCrush Sleeve\u003c\/li\u003e\n\u003cli\u003eComplete Shims\u003c\/li\u003e\n\u003cli\u003eThreadlocker\u003c\/li\u003e\n\u003cli\u003eRTV Sealant or Cover Gasket\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003cp\u003e- Rigid Axle is proud to offer our customers a full line of differential, transfer case, and transmission parts. We specialize in complete rebuild kits for domestic cars and trucks. Give us a call with your year, make, and model and we'll build you a custom kit for your build!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cdiv class=\"panel panel-default\"\u003e\n\u003cdiv class=\"panel-heading\"\u003e\n\u003ch2 class=\"panel-title\"\u003e\n\u003cspan class=\"fa fa-car fa-lg\"\u003e\u003c\/span\u003e  Applications\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel-body\"\u003e\n\u003cul\u003e\n\u003cli\u003eChevrolet Blazer (1969-1974)\u003c\/li\u003e\n\u003cli\u003eChevrolet C10 (1975-1982)\u003c\/li\u003e\n\u003cli\u003eChevrolet C10 Panel (1965-1967)\u003c\/li\u003e\n\u003cli\u003eChevrolet C10 Pickup (1964-1974)\u003c\/li\u003e\n\u003cli\u003eChevrolet C10 Suburban (1967-1982)\u003c\/li\u003e\n\u003cli\u003eChevrolet C20 (1975-1981)\u003c\/li\u003e\n\u003cli\u003eChevrolet C20 Pickup (1969-1974)\u003c\/li\u003e\n\u003cli\u003eChevrolet C20 Suburban (1973-1981)\u003c\/li\u003e\n\u003cli\u003eChevrolet G10 (1975-1981)\u003c\/li\u003e\n\u003cli\u003eChevrolet G10 Van (1964-1974)\u003c\/li\u003e\n\u003cli\u003eChevrolet G20 (1975-1981)\u003c\/li\u003e\n\u003cli\u003eChevrolet G20 Van (1967-1974)\u003c\/li\u003e\n\u003cli\u003eChevrolet K10 (1975-1981)\u003c\/li\u003e\n\u003cli\u003eChevrolet K10 Pickup (1964-1974)\u003c\/li\u003e\n\u003cli\u003eChevrolet K10 Suburban (1967-1982)\u003c\/li\u003e\n\u003cli\u003eChevrolet K20 (1975-1981)\u003c\/li\u003e\n\u003cli\u003eChevrolet K20 Pickup (1969-1974)\u003c\/li\u003e\n\u003cli\u003eChevrolet K20 Suburban (1973-1981)\u003c\/li\u003e\n\u003cli\u003eChevrolet K5 Blazer (1975-1981)\u003c\/li\u003e\n\u003cli\u003eChevrolet P10 (1975-1980)\u003c\/li\u003e\n\u003cli\u003eChevrolet P10 Series (1965-1967)\u003c\/li\u003e\n\u003cli\u003eChevrolet P10 Van (1967-1974)\u003c\/li\u003e\n\u003cli\u003eChevrolet P20 (1975-1981)\u003c\/li\u003e\n\u003cli\u003eChevrolet P20 Series (1966-1967)\u003c\/li\u003e\n\u003cli\u003eChevrolet P20 Van (1968-1974)\u003c\/li\u003e\n\u003cli\u003eChevrolet Suburban (1965-1966)\u003c\/li\u003e\n\u003cli\u003eGMC C15 (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC C15 Suburban (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC C15\/C1500 Pickup (1967-1974)\u003c\/li\u003e\n\u003cli\u003eGMC C15\/C1500 Suburban (1967-1974)\u003c\/li\u003e\n\u003cli\u003eGMC C1500 (1979-1982)\u003c\/li\u003e\n\u003cli\u003eGMC C1500 Suburban (1979-1981)\u003c\/li\u003e\n\u003cli\u003eGMC C25 (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC C25 Suburban (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC C25\/C2500 Pickup (1969-1974)\u003c\/li\u003e\n\u003cli\u003eGMC C25\/C2500 Suburban (1969-1974)\u003c\/li\u003e\n\u003cli\u003eGMC C2500 (1979-1981)\u003c\/li\u003e\n\u003cli\u003eGMC C2500 Suburban (1979-1981)\u003c\/li\u003e\n\u003cli\u003eGMC G1000 Series (1965-1966)\u003c\/li\u003e\n\u003cli\u003eGMC G15 (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC G15\/G1500 Van (1967-1974)\u003c\/li\u003e\n\u003cli\u003eGMC G1500 (1979-1981)\u003c\/li\u003e\n\u003cli\u003eGMC G25 (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC G25\/G2500 Van (1967-1974)\u003c\/li\u003e\n\u003cli\u003eGMC G2500 (1979-1981)\u003c\/li\u003e\n\u003cli\u003eGMC Jimmy (1970-1981)\u003c\/li\u003e\n\u003cli\u003eGMC K1000 Pickup (1966)\u003c\/li\u003e\n\u003cli\u003eGMC K15 (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC K15 Suburban (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC K15\/K1500 Pickup (1966-1974)\u003c\/li\u003e\n\u003cli\u003eGMC K15\/K1500 Suburban (1967-1974)\u003c\/li\u003e\n\u003cli\u003eGMC K1500 (1979-1982)\u003c\/li\u003e\n\u003cli\u003eGMC K1500 Suburban (1979-1982)\u003c\/li\u003e\n\u003cli\u003eGMC P15 (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC P15\/P1500 Van (1967-1974)\u003c\/li\u003e\n\u003cli\u003eGMC P1500 (1979-1980)\u003c\/li\u003e\n\u003cli\u003eGMC P25 (1975-1978)\u003c\/li\u003e\n\u003cli\u003eGMC P25\/P2500 Van (1967-1974)\u003c\/li\u003e\n\u003cli\u003eGMC P2500 (1979-1981)\u003c\/li\u003e\n\u003cli\u003eGMC PB1000 Series (1965-1966)\u003c\/li\u003e\n\u003cli\u003eGMC PB15 Series (1966)\u003c\/li\u003e\n\u003cli\u003eGMC PB1500 Series (1965)\u003c\/li\u003e\n\u003cli\u003eGMC PB2500 Van (1966)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-sm-12\"\u003e\n\u003cdiv class=\"panel panel-default\"\u003e\n\u003cdiv class=\"panel-heading\"\u003e\n\u003ch2 class=\"panel-title\"\u003e\n\u003cspan class=\"fa fa-info-circle fa-lg\"\u003e\u003c\/span\u003e  Specifics\u003c\/h2\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"panel-body\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDifferential Model:\u003c\/strong\u003e GM 8.875\" 12 Bolt Truck\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCover Bolt Quantity:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCarrier Breaks:\u003c\/strong\u003e 2.73 \/ 2.76-3.42 \/ 3.73\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Gear Bolt Quantity:\u003c\/strong\u003e 12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Gear Bolt Size:\u003c\/strong\u003e 3\/8 X 24 RH\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Gear Diameter:\u003c\/strong\u003e 8.875\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Gear Material:\u003c\/strong\u003e 8620 Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing Gear Rotation:\u003c\/strong\u003e Standard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinion Diameter:\u003c\/strong\u003e 1.438\"\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinion Spline:\u003c\/strong\u003e 30\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Rigid Axle","offers":[{"title":"3.08 \/ 30 Spline","offer_id":42391651188958,"sku":"POSI-GM12T-3-RA GM12T-308-RA GM12MK-T","price":826.0,"currency_code":"USD","in_stock":true},{"title":"3.08 \/ 33 Spline","offer_id":42391651221726,"sku":"POSI-GM12T-3-33-RA GM12T-308-RA GM12MK-T","price":902.0,"currency_code":"USD","in_stock":true},{"title":"3.42 \/ 30 Spline","offer_id":42391651320030,"sku":"POSI-GM12T-3-RA GM12T-342-RA GM12MK-T","price":826.0,"currency_code":"USD","in_stock":true},{"title":"3.42 \/ 33 Spline","offer_id":42391651352798,"sku":"POSI-GM12T-3-33-RA GM12T-342-RA GM12MK-T","price":902.0,"currency_code":"USD","in_stock":true},{"title":"3.73 \/ 30 Spline","offer_id":42391651451102,"sku":"POSI-GM12T-4-RA GM12T-373-RA GM12MK-T","price":786.0,"currency_code":"USD","in_stock":true},{"title":"3.73 \/ 33 Spline","offer_id":42391651483870,"sku":"POSI-GM12T-4-33-RA GM12T-373-RA GM12MK-T","price":902.0,"currency_code":"USD","in_stock":true},{"title":"4.10\/ 4.11 \/ 30 Spline","offer_id":42391651582174,"sku":"POSI-GM12T-4-RA GM12T-410-RA GM12MK-T","price":786.0,"currency_code":"USD","in_stock":true},{"title":"4.10\/ 4.11 \/ 33 Spline","offer_id":42391651614942,"sku":"POSI-GM12T-4-33-RA GM12T-410-RA GM12MK-T","price":902.0,"currency_code":"USD","in_stock":true},{"title":"4.56 \/ 30 Spline","offer_id":42391651647710,"sku":"POSI-GM12T-4-RA GM12T-456-RA GM12MK-T","price":796.0,"currency_code":"USD","in_stock":true},{"title":"4.56 \/ 33 Spline","offer_id":42391651680478,"sku":"POSI-GM12T-4-33-RA GM12T-456-RA GM12MK-T","price":902.0,"currency_code":"USD","in_stock":true},{"title":"4.88 \/ 30 Spline","offer_id":42391651713246,"sku":"POSI-GM12T-4-RA GM12T-488-RA GM12MK-T","price":862.0,"currency_code":"USD","in_stock":true},{"title":"4.88 \/ 33 Spline","offer_id":42391651746014,"sku":"POSI-GM12T-4-33-RA GM12T-488-RA GM12MK-T","price":968.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1832\/6013\/files\/POSI-GM12T-3-RAGM12T-308-RAGM12MK-T.jpg?v=1752598613"}],"url":"https:\/\/www.rigidaxle.com\/collections\/positraction-packages-gm-8-875-truck-rear-1963-1982.oembed","provider":"Rigid Axle","version":"1.0","type":"link"}