{"product_id":"nissan-gt-r-r35-front-rotor-pair-380-34","title":"Nissan GT-R R35 Front Two-Piece Rotor Pair — 380×34mm","description":"\u003cp\u003e\u003cstrong\u003eR35 GT-R front rotors — 380 × 34 mm, sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEarly R35s run a 380 × 34 mm front disc; later cars moved to 390 × 32.7 mm. The diameter went up and the thickness went down, so the two are not interchangeable in either direction — a 390 mm disc will not fit a caliper set up for 380 mm, and a 380 mm disc leaves later pads overhanging.\u003c\/p\u003e\n\u003cp\u003eG3500 high-carbon ring, 34 mm thick against a 32.0 mm minimum, 48.7 mm total height, 68 mm centre bore, 5 bolt holes, 6061-T6 hat with stainless floating hardware. The 380 mm ring has less swept area than the later 390 mm disc, so pad choice matters more on an early car.\u003c\/p\u003e\n\u003cp\u003eMeasure diameter and thickness together: 380 mm and 34 mm. The later disc is 390 mm at 32.7 mm, so a disc reading 32.7 mm at the edge is not this part even if the face looks close under a wheel.\u003c\/p\u003e\n\u003cp\u003eOE reference 40206JF20A · Minimum thickness 32.0 mm · Bolt holes 5\u003c\/p\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eFitment check\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eR35 front, 380 × 34 mm — OE 40206JF20A. Later cars use the 390 × 32.7 mm pair, OE 40206KB50A and 40206KJ10A.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eFixed or full-floating — which one?\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eFixed suits a road GT-R. Full-floating is what most track cars run; the low-speed rattle is expected.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003ePads, bedding and ring replacement\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eOn the 380 mm cars the pad sweep is narrower — check pad wear across the face, not just at the outer edge.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eLead time\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eBuilt to order. Production takes 10–12 days. Left and right are matched and marked before packing. Transit time depends on destination and service — we confirm shipping and delivery dates by email before you pay.\u003c\/p\u003e\n\u003c\/details\u003e","brand":"ZORVANT","offers":[{"title":"Full-floating","offer_id":51267395027169,"sku":"ZR-T-4001-FL","price":639.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1901\/3857\/files\/rotor-floating-2000.png?v=1793682959","url":"https:\/\/zorvantbrake.com\/zh\/products\/nissan-gt-r-r35-front-rotor-pair-380-34","provider":"ZORVANT","version":"1.0","type":"link"}