{"product_id":"yukon-grizzly-locker-for-dana-60-4-56-up-40-spline","title":"Yukon Grizzly Locker for Dana 60, 4.56 \u0026 up, 40 spline","description":"\u003cp\u003eThis is the Yukon Grizzly Locker for Dana 60 axles with 40 spline shafts and 4.56 and up gearing, part number YGLD60-4-40.\u003c\/p\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eDana Spicer 60 with 40 spline axle shafts only\u003c\/li\u003e\n\u003cli\u003eRatio: 4.56 and up only. That is the 4-series carrier. For 4.10 and lower gearing you need the 3-series version, YGLD60-3-40.\u003c\/li\u003e\n\u003cli\u003eNot compatible with c-clip axles\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eHow it works\u003c\/h2\u003e\u003cp\u003eThe Grizzly is a mechanical, positive-locking differential. Both tires get 100 percent of the power, and it can disengage while you negotiate turns. There is no air line, wiring or switch to install.\u003c\/p\u003e\u003ch2\u003eConstruction\u003c\/h2\u003e\u003cp\u003eIt has a forged case and 8620 internals. The inner clutch teeth have a larger radius at the base, and Yukon says that design is up to 350 percent stronger than back-cut designs and resists breakage from shock loading or a sudden axle failure. Yukon pitches it for rock crawling, trail running, off-road racing and drag racing, and it is assembled in the USA.\u003c\/p\u003e\u003ch2\u003eCheck before you order\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConfirm your ring gear ratio is 4.56 or numerically higher.\u003c\/li\u003e\n\u003cli\u003eCount the splines on your axle shafts. This part is for 40 spline only.\u003c\/li\u003e\n\u003cli\u003eMake sure your axles are not the c-clip type.\u003c\/li\u003e\n\u003cli\u003eThis listing is for the locker itself. Yukon install kits are sold separately.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eYukon lists a one-year warranty on Grizzly Lockers; see Yukon's warranty terms for conditions. California Proposition 65 warning: this product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer.\u003c\/p\u003e","brand":"Yukon Gear and Axle","offers":[{"title":"Default Title","offer_id":45244278407234,"sku":"YGLD60-4-40","price":1284.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1476\/5984\/files\/700a077c15be624581660a8ed4c4abf0.jpg?v=1789852580","url":"https:\/\/www.skinnypedalracing.com\/products\/yukon-grizzly-locker-for-dana-60-4-56-up-40-spline","provider":"Skinny Pedal Racing","version":"1.0","type":"link"}