{"product_id":"harrop-truetrac-holden-m78-31-spline","title":"Harrop Eaton Truetrac | Holden M78 | 31 Spline","description":"\u003ch2\u003eHarrop Eaton Truetrac | Holden M78 | 31 Spline\u003c\/h2\u003e\n\u003cp\u003eHarrop \/ Eaton Truetrac helical-gear limited-slip differential for the exact application below.\u003c\/p\u003e\n\u003ch3\u003eHow the Truetrac works\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eGear-driven helical limited-slip design\u003c\/li\u003e\n\u003cli\u003eNo clutch packs or friction plates\u003c\/li\u003e\n\u003cli\u003eAutomatically biases torque toward the wheel with greater available traction\u003c\/li\u003e\n\u003cli\u003eSmooth, quiet operation compared with locking-style differentials\u003c\/li\u003e\n\u003cli\u003eMaintenance-free internal traction mechanism\u003c\/li\u003e\n\u003cli\u003eHarrop lists a 36-month warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cp\u003eHolden Commodore VL–VT live-axle applications and Nissan Skyline R31 upgraded to 31-spline axles.\u003c\/p\u003e\n\u003cp\u003eCorrect housing, spline count, bearings and axle configuration must be confirmed before installation. Differential bearing preload and backlash must be set correctly.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHarrop note:\u003c\/strong\u003e M78\/Borg Warner live-axle installations may require pinion machining; leaf-spring applications can transmit some operating noise.\u003c\/p\u003e","brand":"Harrop","offers":[{"title":"Default Title","offer_id":43686743998531,"sku":"99-TTRC9837-00-31SPL","price":1540.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/Detroit_20Truetrac-1024x1024_632c3b65-f7bf-40a3-b0df-1cc2f0f15013.jpg?v=1787085848","url":"https:\/\/builtbyboostandtune.com.au\/products\/harrop-truetrac-holden-m78-31-spline","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}