{"product_id":"yukon-gear-dura-grip-limited-slip-differential-for-gm-12-bolt-30-spl-2-76-3-42-ratio","title":"Yukon Gear Dura Grip Limited Slip Differential for GM 12 Bolt 30 Spl 2.76-3.42 Ratio","description":"\u003cp\u003e\u003cstrong\u003eSKU:\u003c\/strong\u003e \u003cspan\u003eYDGGM12T-3-30-1\u003c\/span\u003e | \u003cstrong\u003eUPC:\u003c\/strong\u003e 883584260523\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eYukon Gear Dura Grip Limited Slip Differential GM 12 Bolt 30 Spline 2.76-3.42 Ratio Fits 1963-1988 Chevy GMC Trucks\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eUpgrade classic Chevy and GMC C\/K10 trucks vans and Suburbans from 1963 to 1988 with the Yukon Gear Dura Grip positraction limited slip differential designed for GM 12-bolt carriers with 30-spline axles and 2.76-3.42 gear ratios. This clutch-type LSD delivers smooth aggressive traction on pavement dirt snow or mud giving drivers confidence in any condition. Built for durability with rebuildable components it outperforms stock open differentials in everyday and off-road use.\u003c\/p\u003e\n\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Strength Nodular Case\u003c\/strong\u003e – Cast from premium nodular iron for maximum impact resistance and longevity under high torque.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eForged 4320 Chromoly Spider Gears\u003c\/strong\u003e – Heat-treated steel gears handle extreme loads without failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComposite Clutches\u003c\/strong\u003e – Multi-disc design provides consistent grip without chatter or wear issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmooth Positraction Operation\u003c\/strong\u003e – Transfers power to the wheel with traction for better acceleration and cornering.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRebuildable Design\u003c\/strong\u003e – Service clutches and internals easily for repeated performance over years.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Terrain Compatibility\u003c\/strong\u003e – Excels on street off-road or track with no modifications needed.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eSpecifications\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" width=\"100%\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYukon Gear \u0026amp; Axle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType\u003c\/td\u003e\n\u003ctd\u003eClutch-Type Limited Slip Differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eGM 12-Bolt 8.875in Ring Gear 30-Spline 2.76-3.42 Ratios\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMPN\u003c\/td\u003e\n\u003ctd\u003eYDGGM12T-3-30-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e25 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping Dimensions\u003c\/td\u003e\n\u003ctd\u003e13 x 13 x 13 inches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003eLimited Lifetime on Case and Gears Serviceable Clutches\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhats Included\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eYukon Dura Grip Limited Slip Carrier Assembled\u003c\/li\u003e\n\u003cli\u003ePreload Adjustment Shims\u003c\/li\u003e\n\u003cli\u003eSetup Markings and Instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eProduct Notes\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eRequires 80W-90 GL-5 gear oil with 4 oz Yukon friction modifier additive\u003c\/li\u003e\n\u003cli\u003eService clutches every 30-60k miles based on use for peak performance\u003c\/li\u003e\n\u003cli\u003eDirect replacement for stock GM 12-bolt open carrier no machining required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eThis Part Fits\u003c\/h4\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eYear Range\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1969-1974\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eBlazer\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eBlazer\u003c\/td\u003e\n\u003ctd\u003eCustom Deluxe Silverado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1978-1986\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10\u003c\/td\u003e\n\u003ctd\u003eBig Ten Cheyenne Custom Custom Deluxe Deluxe Scottsdale Silverado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1963-1974\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eC10 Pickup\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1981\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eG10\u003c\/td\u003e\n\u003ctd\u003eBeauville Bonaventure Chevy Van Sportvan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1974\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eG10 Van\u003c\/td\u003e\n\u003ctd\u003eBase Sportvan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1986\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10\u003c\/td\u003e\n\u003ctd\u003eCheyenne Custom Custom Deluxe Deluxe Scottsdale Silverado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1963-1974\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10 Pickup\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1986\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK10 Suburban\u003c\/td\u003e\n\u003ctd\u003eBase Custom Custom Deluxe Deluxe Scottsdale Silverado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1986\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eK5 Blazer\u003c\/td\u003e\n\u003ctd\u003eBase Cheyenne Custom Custom Deluxe Deluxe Scottsdale Silverado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eR10\u003c\/td\u003e\n\u003ctd\u003eCustom Deluxe Scottsdale Silverado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1963-1966\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1987-1988\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eV10 V10 Suburban\u003c\/td\u003e\n\u003ctd\u003eCustom Deluxe Scottsdale Silverado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1978\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15 C15 Suburban\u003c\/td\u003e\n\u003ctd\u003eBase Heavy Half High Sierra Indy Hauler Sierra Classic Sierra Grande Street Coupe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1974\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC15\/C1500 Pickup C15\/C1500 Suburban\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979-1986\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eC1500 C1500 Suburban\u003c\/td\u003e\n\u003ctd\u003eBase Heavy Half High Sierra Sierra Classic Sierra Grande Street Coupe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1978\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eG15\u003c\/td\u003e\n\u003ctd\u003eRally Rally STX Vandura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1987\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eG1500 G15\/G1500 Van\u003c\/td\u003e\n\u003ctd\u003eBase Rally Rally Custom Rally STX Vandura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1978\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eG25 G25\/G2500 Van\u003c\/td\u003e\n\u003ctd\u003eBase Rally Rally STX Vandura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979-1981\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eG2500\u003c\/td\u003e\n\u003ctd\u003eRally Rally STX Vandura\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1975-1978\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eK15 K15 Suburban\u003c\/td\u003e\n\u003ctd\u003eBase High Sierra Indy Hauler Sierra Classic Sierra Grande\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1966-1986\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eK15\/K1500 Pickup K15\/K1500 Suburban K1500 K1500 Suburban\u003c\/td\u003e\n\u003ctd\u003eBase High Sierra Sierra Classic Sierra Grande\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1987\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eR1500 R1500 Suburban V1500 V1500 Suburban\u003c\/td\u003e\n\u003ctd\u003eBase High Sierra Sierra Classic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1963-1966\u003c\/td\u003e\n\u003ctd\u003eGMC\u003c\/td\u003e\n\u003ctd\u003eSuburban\u003c\/td\u003e\n\u003ctd\u003eBase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch4\u003eWhy Choose Yukon Gear?\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eProven engineering for high-horsepower builds and daily drivers\u003c\/li\u003e\n\u003cli\u003eRebuildable components extend service life cost-effectively\u003c\/li\u003e\n\u003cli\u003eDirect bolt-in fitment saves installation time\u003c\/li\u003e\n\u003cli\u003eBacked by decades of off-road and drag racing success\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Is the Dura Grip rebuildable?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Yes clutches and internals can be serviced with Yukon rebuild kits for long-term use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e What oil should I use?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e 80W-90 GL-5 synthetic gear oil plus 4 ounces of friction modifier.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQ:\u003c\/strong\u003e Does it fit my 30-spline GM 12-bolt?\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA:\u003c\/strong\u003e Yes for 8.875-inch ring gear and 2.76-3.42 ratios check your carrier exactly.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch4\u003eShipping \u0026amp; Handling\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMethod:\u003c\/strong\u003e UPS Ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailability:\u003c\/strong\u003e In stock – ships same or next business day\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackaging:\u003c\/strong\u003e Secure double-boxed with foam protection\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yukon Gear \u0026 Axle","offers":[{"title":"Default Title","offer_id":40613408112719,"sku":"YUKYDGGM12T-3-30-1","price":754.89,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1062\/7920\/files\/yukon-gear-dura-grip-limited-slip-differential-for-gm-12-bolt-30-spl-2_76-3_42-ratio-differentials-yukon-gear-axle-3.jpg?v=1700215417","url":"https:\/\/www.blackopsautoworks.com\/products\/yukon-gear-dura-grip-limited-slip-differential-for-gm-12-bolt-30-spl-2-76-3-42-ratio","provider":"Black Ops Auto Works","version":"1.0","type":"link"}