{"product_id":"eaton-detroit-truetrac-differential-27-spline-1-15in-axle-shaft-diameter-3-73-up-ratio-dana-30","title":"Eaton Detroit Truetrac Differential 27 Spline 1.15in Axle Shaft Diameter 3.73 \u0026 Up Ratio Dana 30","description":"\u003cp\u003eThe Eaton Detroit Truetrac is a helical-gear limited-slip differential: it sends torque toward the wheel with grip without clutch packs that wear and need servicing. This unit is for Dana 30 rear axles with 27-spline, 1.15in axle shafts and ring-and-pinion ratios of 3.73 and numerically higher.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eVerified fitment:\u003c\/strong\u003e 1970-1975 Volvo 142, 144 and 164; 1975-1992 Volvo 240, 242 and 245; 1976-1981 Volvo 265. Several classic Volvos left the factory with different rear axles, so confirm yours is the Dana 30 with the listed spline count and ratio before ordering.\u003c\/p\u003e\u003cp\u003eFor a classic Volvo putting down more power or heading to track days, it is a quiet, low-maintenance step up from an open differential. In stock at Rev Auto Club.\u003c\/p\u003e","brand":"Eaton","offers":[{"title":"Default Title","offer_id":43917649772701,"sku":"EAT912A588","price":856.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0448\/7997\/0461\/products\/133b093dc2587f07982b9e3385027d45_d42f9030-8d7a-4d83-bacd-6c841f8fdd42.jpg?v=1694047107","url":"https:\/\/shop.revautoclub.com\/products\/eaton-detroit-truetrac-differential-27-spline-1-15in-axle-shaft-diameter-3-73-up-ratio-dana-30","provider":"Rev Auto Club","version":"1.0","type":"link"}