{"product_id":"harrop-truetrac-holden-salisbury-28-spline","title":"Harrop Eaton Truetrac | Holden Salisbury | 28 Spline","description":"\u003cp\u003e\u003cstrong\u003eHarrop \/ Eaton Truetrac helical-gear limited-slip differential for early Holden vehicles with a Salisbury-style housing and 28-spline axles.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Truetrac uses a torque-biasing helical gear design without clutch packs, providing progressive traction with minimal routine maintenance.\u003c\/p\u003e\n\u003cp\u003eConfirm housing, spline count, axle specification and final-drive setup before ordering. Built by Boost \u0026amp; Tune can supply and complete differential setup and installation.\u003c\/p\u003e\u003ch3\u003eProduct Details\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eProduct:\u003c\/strong\u003e Harrop Eaton Truetrac | Holden Salisbury | 28 Spline\u003cbr\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Harrop\u003cbr\u003e\u003cstrong\u003eCategory:\u003c\/strong\u003e Driveline\u003c\/p\u003e\u003cp\u003eThis listing covers the product and application named above. Use the product title, part number where shown, and the existing technical information on this page to confirm it matches the required vehicle or engine combination.\u003c\/p\u003e\u003ch3\u003eBefore Ordering\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eConfirm the listed application matches the vehicle, engine or component being upgraded.\u003c\/li\u003e\n\u003cli\u003eCheck whether supporting hardware, fabrication, wiring, fluids, gaskets or calibration are required for the installation.\u003c\/li\u003e\n\u003cli\u003eIf the vehicle has non-standard modifications, confirm compatibility before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuilt by Boost \u0026amp; Tune Support\u003c\/h3\u003e\u003cp\u003eBuilt by Boost \u0026amp; Tune can assist with application confirmation, installation and supporting driveline setup. Contact us before ordering if you need help confirming suitability or planning the complete upgrade package.\u003c\/p\u003e\u003ch3\u003eApplication Checks\u003c\/h3\u003e\u003cp\u003eConfirm the exact vehicle or engine application, dimensions, interfaces and any supporting hardware required before ordering. Where the part forms one component of a larger performance system, check compatibility with the surrounding components and planned workshop installation before purchase.\u003c\/p\u003e\u003ch2\u003eSupplier\u003c\/h2\u003e\u003cp\u003eHarrop\u003c\/p\u003e\u003ch2\u003eVehicle Fitment\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eHolden Driveline Salisbury 28Spline\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003eConfirm chassis, engine, drivetrain and production-year compatibility before ordering.\u003c\/p\u003e","brand":"Harrop","offers":[{"title":"Default Title","offer_id":43686752911427,"sku":"99-TTRC10368","price":1445.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0703\/0659\/4883\/files\/99-TTRC10368.webp?v=1787097326","url":"https:\/\/builtbyboostandtune.com.au\/products\/harrop-truetrac-holden-salisbury-28-spline","provider":"BUILT BY BOOST AND TUNE","version":"1.0","type":"link"}