{"product_id":"arb-rd121","title":"ARB Air Locker — Toyota Prado 120\/150 \u0026 Hilux IFS Front (8\" IFS, 30-Spline) | RD121","description":"\u003cp\u003eThe \u003cstrong\u003eARB RD121\u003c\/strong\u003e is an air-actuated, driver-selectable locking differential for the Toyota 8\" IFS axle — 100% mechanical lock on demand, fully open when disengaged.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eTechnical specifications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eRing gear: Toyota 8\" IFS \/ clamshell\u003c\/li\u003e\n\u003cli\u003eSpline: 30\u003c\/li\u003e\n\u003cli\u003eCarrier bearing: 53 mm\u003c\/li\u003e\n\u003cli\u003eShaft diameter: 1.31\"\u003c\/li\u003e\n\u003cli\u003eRatio range: 3.73 \u0026amp; down\u003c\/li\u003e\n\u003cli\u003eMaterial: Forged steel\u003c\/li\u003e\n\u003cli\u003eActuation: Pneumatic (air)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eEngineering\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eTwo-piece, ultra-durable design with minimal moving parts for maximum reliability\u003c\/li\u003e\n\u003cli\u003ePatented, timed pneumatic locking mechanism — high strength with ultra-fast unlocking\u003c\/li\u003e\n\u003cli\u003eSteel-reinforced, elastomer-bonded annular seal rated for extreme temperatures\u003c\/li\u003e\n\u003cli\u003eFully open when disengaged — no effect on on-road drivability or driveline wear\u003c\/li\u003e\n\u003cli\u003e5-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Toyota Prado 120\/150 \u0026amp; Hilux IFS Front (Low Ratio). Toyota 8\" IFS (53mm brg), 30-spline, 3.73 \u0026amp; down ratios. 8\" IFS front (Prado 120\/150 = 8\"; NOT the 7.5\" Prado 90 — see RD90). For 3.73 \u0026amp; numerically lower ratios.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSpline note:\u003c\/strong\u003e Toyota 8\" IFS front differentials are typically 30 spline — confirm your spline count before ordering.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIn the box:\u003c\/strong\u003e Air Locker differential, dash activation switch, solenoid valve, air line and bulkhead fitting. An ARB air compressor is required to operate (sold separately) — pair with an ARB CKMA12 (single) or CKMTA12 (twin).\u003c\/p\u003e","brand":"ARB","offers":[{"title":"Default Title","offer_id":46893627211937,"sku":"RD121","price":1897.92,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/5208\/7969\/files\/arb-air-locker-differential-toyota-8-ifs-53mm-brng-rd121__44564.1751793642.jpg?v=1787026706","url":"https:\/\/cruiserworx.com\/products\/arb-rd121","provider":"Cruiser Worx","version":"1.0","type":"link"}