{"product_id":"yukon-high-performance-replacement-ring-pinion-gear-set-dana-80-3-73-ratio","title":"Yukon high performance replacement ring \u0026 pinion gear set, Dana 80, 3.73 ratio","description":"\u003cp\u003eThis is the Yukon 3.73 ring and pinion set, YG D80-373, a high performance replacement gear set for the Dana Spicer 80.\u003c\/p\u003e\u003ch2\u003eFitment\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAxle:\u003c\/strong\u003e Dana Spicer 80\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRatio:\u003c\/strong\u003e 3.73\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePinion:\u003c\/strong\u003e 37 spline\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRing gear:\u003c\/strong\u003e 11.25 inch, 12 bolts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e3.73 is the numerically lowest ratio of the Dana 80 sets in this group, so it gives the tallest gearing.\u003c\/p\u003e\u003ch2\u003eCarrier and fitment notes\u003c\/h2\u003e\u003cp\u003eYukon's note on this part says 1998 and newer Ford F350 dually trucks use a factory 3.73 thin gear and a 4-series carrier. Yukon lists a separate thin 3.73 set as YG D80-373-4, so this part number is not that one. Match the part to the carrier in your axle.\u003c\/p\u003e\u003ch2\u003eCheck before you order\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRing gear size and pinion: this set is 11.25 inch with a 37-spline pinion, so match it to your Dana 80.\u003c\/li\u003e\n\u003cli\u003eCarrier: confirm which carrier you have before ordering. The 3.73 thin set for the 4-series carrier is a different part number (YG D80-373-4).\u003c\/li\u003e\n\u003cli\u003eYukon's page does not list a rotation or a specific list of vehicles for this ratio, so confirm fitment against your axle rather than the truck model.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat's included\u003c\/h2\u003e\u003cp\u003eRing gear and pinion only. Installation hardware, carrier parts, bearings and tools are not part of the set.\u003c\/p\u003e\u003ch2\u003eInstallation\u003c\/h2\u003e\u003cp\u003eA proper setup means checking pinion depth, backlash and contact pattern. This is heavy-duty axle work, so use a shop with gear setup tools if you do not have them.\u003c\/p\u003e\u003ch2\u003eWarranty\u003c\/h2\u003e\u003cp\u003eYukon states a one-year warranty on its ring and pinion sets, and its site also describes a Y.E.S. protection plan for the gear set. Get the current terms from Yukon before you rely on either.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Prop 65:\u003c\/strong\u003e this product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. More information is at www.P65Warnings.ca.gov.\u003c\/p\u003e","brand":"Yukon Gear and Axle","offers":[{"title":"Default Title","offer_id":45244283879490,"sku":"YG D80-373","price":535.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1476\/5984\/files\/d550c5caebc1f169639f392a6b1c7c28.jpg?v=1789852775","url":"https:\/\/www.skinnypedalracing.com\/products\/yukon-high-performance-replacement-ring-pinion-gear-set-dana-80-3-73-ratio","provider":"Skinny Pedal Racing","version":"1.0","type":"link"}