{"title":"Audi RS\u0026TTRS","description":"\u003cpre class=\"_plain_7gxqk_103\"\u003e\u003ccode\u003eTwo-piece rotors for Audi RS3 8V, RS3 8Y and TT RS 8J. Matched pairs, built to order in 10–12 days.\u003c\/code\u003e\u003c\/pre\u003e","products":[{"product_id":"audi-rs3-8y-front-rotor-pair-374-36","title":"Audi RS3 8Y Front Two-Piece Rotor Pair — 374×36mm","description":"\u003cp\u003e\u003cstrong\u003eAudi RS3 8Y front rotors — 374 × 36 mm, sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e374 mm is an awkward number, and that is exactly why it is easy to buy the wrong disc. The 8Y RS3 runs 374 × 36 mm; the 8V ran 370 × 34 mm. Four millimetres of diameter and two of thickness, and nothing between them is interchangeable — pads, calipers and disc all differ.\u003c\/p\u003e\n\u003cp\u003eG3500 high-carbon ring at 374 × 36 mm, 34.0 mm minimum, 50 mm total height, 65 mm centre bore, 5 bolt holes, 6061-T6 aluminium hat, stainless floating hardware. The 36 mm ring carries more heat capacity than the 34 mm disc it replaces, which is why it survives repeated stops without going blue.\u003c\/p\u003e\n\u003cp\u003e374 is the number to look for, not 370. Measure across the face at two points to rule out a worn 8V disc, then check thickness — 36 mm here against 34 mm on the 8V, on a 50 mm hat against 59.8 mm.\u003c\/p\u003e\n\u003cp\u003eOE reference 4M0615301BJ · Minimum thickness 34.0 mm · Bolt holes 5\u003c\/p\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eFitment check\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eRS3 8Y front, 374 × 36 mm — OE 4M0615301BJ. The 8V disc is 370 × 34 mm, OE 8V0615301D and variants, and will not fit.\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\u003eThe 8Y is front-heavy under braking; Full-floating is what we recommend for spirited road use and track days. Fixed is fine for a daily.\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\u003eFive-cylinder cars tend to run hot pads. Bed in with 6–8 stops and let the disc cool fully before the first hard use.\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":51267395158241,"sku":"ZR-T-1172-FL","price":599.0,"currency_code":"USD","in_stock":true},{"title":"Fixed","offer_id":51267395125473,"sku":"ZR-T-1172-FX","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1901\/3857\/files\/rotor-floating-2000.png?v=1793682959"},{"product_id":"audi-rs3-8v-8y-rear-rotor-pair-310-22","title":"Audi RS3 8V \/ 8Y Rear Two-Piece Rotor Pair — 309.9×22mm","description":"\u003cp\u003e\u003cstrong\u003eAudi RS3 8V \/ 8Y rear rotors — 309.9 × 22 mm, sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e309.9 mm, not 310. The decimal is not a rounding artefact — it is the actual diameter, and it is what separates this disc from the 310 × 22 mm used on the TT RS. Half a millimetre of diameter and a different hat, and the two do not swap.\u003c\/p\u003e\n\u003cp\u003eG3500 high-carbon ring at 309.9 × 22 mm, 20.0 mm minimum, 48.5 mm total height, 65 mm centre bore, 5 bolt holes, 6061-T6 hat. At 22 mm from new there is no resurfacing margin, so a scored face means replacement, not machining.\u003c\/p\u003e\n\u003cp\u003eDigital calipers will read 309.9, not 310. If you measure 310.0 on a 58.6 mm hat you have the TT RS disc; if the hat is 48.5 mm, you have this one. The height decides it faster than the diameter does.\u003c\/p\u003e\n\u003cp\u003eOE reference 1K0615601N · Minimum thickness 20.0 mm · Bolt holes 5\u003c\/p\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eFitment check\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eRS3 8V and 8Y rear, 309.9 × 22 mm — OE 1K0615601N. The TT RS 8J rear disc is 310 × 22 mm at a 58.6 mm hat and is a different part.\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\u003eRear axle on a road car: Fixed. There is no meaningful gain from floating hardware at the rear unless the car is used on track.\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\u003eThe rear disc on these cars is thin from new; at 20.0 mm it is done. Do not resurface it — there is not enough material left to stay within spec.\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":51267395420385,"sku":"ZR-T-2041-FL","price":439.0,"currency_code":"USD","in_stock":true},{"title":"Fixed","offer_id":51267395387617,"sku":"ZR-T-2041-FX","price":389.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1901\/3857\/files\/rotor-floating-2000.png?v=1793682959"},{"product_id":"audi-rs3-8v-front-rotor-pair-370-34","title":"Audi RS3 8V Front Two-Piece Rotor Pair — 370×34mm","description":"\u003cp\u003e\u003cstrong\u003eAudi RS3 8V front rotors — 370 × 34 mm, sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 8V RS3 front disc is 370 × 34 mm. The TT RS 8J uses the same 370 mm diameter at 32 mm thick, and the 8Y RS3 moved to 374 × 36 mm. Three cars, three fronts, all within 4 mm of each other.\u003c\/p\u003e\n\u003cp\u003eG3500 high-carbon ring, 34 mm thick against a 32.0 mm minimum, 59.8 mm total height, 65 mm centre bore, 5 bolt holes, 6061-T6 hat with stainless floating hardware. 34 mm is the thick end for a road disc this size, and it is where the heat capacity comes from.\u003c\/p\u003e\n\u003cp\u003e370 mm diameter, 34 mm thickness, 59.8 mm hat. The TT RS disc shares the diameter at 32 mm and a 49.8 mm hat, so thickness and height are what separate them — check both before you order, not just the diameter on the listing.\u003c\/p\u003e\n\u003cp\u003eOE reference 8V0615301D \/ 8V0615301H \/ 8V0615301Q \/ 8V0615301R · 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\u003eRS3 8V front, 370 × 34 mm — OE 8V0615301D, 8V0615301H, 8V0615301Q and 8V0615301R. The TT RS 8J disc is 370 × 32 mm and will not work.\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 for road, Full-floating for track. On the 8V the caliper is the limiting factor for heat, not the disc — floating hardware helps the disc, not the caliper.\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\u003eWith four OE references for this disc, confirm by the number on the old disc rather than the model year. Bed in with 6–8 stops.\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":51267395518689,"sku":"ZR-T-3066-FL","price":599.0,"currency_code":"USD","in_stock":true},{"title":"Fixed","offer_id":51267395485921,"sku":"ZR-T-3066-FX","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1901\/3857\/files\/rotor-floating-2000.png?v=1793682959"},{"product_id":"audi-tt-rs-8j-front-rotor-pair-370-32","title":"Audi TT RS 8J Front Two-Piece Rotor Pair — 370×32mm","description":"\u003cp\u003e\u003cstrong\u003eAudi TT RS 8J front rotors — 370 × 32 mm, sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eSame 370 mm diameter as the RS3 8V front disc, two millimetres thinner, and a hat that is 10 mm shorter. The RS3 disc is 370 × 34 mm at 59.8 mm height; this one is 370 × 32 mm at 49.8 mm. Fitting the wrong one is a real risk because the diameter matches and nothing else does.\u003c\/p\u003e\n\u003cp\u003eG3500 high-carbon ring at 370 × 32 mm, 30.0 mm minimum, 49.8 mm total height, 65 mm centre bore, 5 bolt holes, 6061-T6 aluminium hat, stainless floating hardware. At 32 mm it sits between the 30 mm and 34 mm discs used elsewhere in the range, which is another reason to measure rather than assume.\u003c\/p\u003e\n\u003cp\u003e370 mm across the face at 32 mm thick, on a 49.8 mm hat. The RS3 8V disc matches the diameter, is 2 mm thicker and sits 10 mm higher — a 2 mm difference you can measure with calipers, and a 10 mm one you can see.\u003c\/p\u003e\n\u003cp\u003eOE reference 8J0615301E \/ 8J0615301F \/ 8J0615301K · Minimum thickness 30.0 mm · Bolt holes 5\u003c\/p\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eFitment check\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eTT RS 8J front, 370 × 32 mm — OE 8J0615301E, 8J0615301F and 8J0615301K. The RS3 8V disc is 370 × 34 mm at a 59.8 mm hat and will not seat.\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\u003eA lighter car than the RS3, so Fixed is a reasonable default; Full-floating if you track it.\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\u003eThinner disc, less heat margin — use a pad rated for the temperatures you actually see, and bed in with 6–8 stops.\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":51267395780833,"sku":"ZR-T-3173-FL","price":599.0,"currency_code":"USD","in_stock":true},{"title":"Fixed","offer_id":51267395748065,"sku":"ZR-T-3173-FX","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0864\/1901\/3857\/files\/rotor-floating-2000.png?v=1793682959"},{"product_id":"audi-tt-rs-8j-rear-rotor-pair-310-22","title":"Audi TT RS 8J Rear Two-Piece Rotor Pair — 310×22mm","description":"\u003cp\u003e\u003cstrong\u003eTT RS 8J rear rotors — 310 × 22 mm, sold as a pair.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e310 mm, 58.6 mm hat. The RS3 rear disc is 309.9 mm with a 48.5 mm hat — a tenth of a millimetre in diameter and 10 mm in offset. They are different parts and they do not interchange, and the listing photos look the same.\u003c\/p\u003e\n\u003cp\u003eG3500 high-carbon ring, 22 mm thick against a 20.0 mm minimum, 65 mm centre bore, 5 bolt holes, 6061-T6 hat, stainless floating hardware on the fixed variant. 48.5 mm is the RS3 height; this one sits 10 mm taller. At 22 mm there is little material to give up, so measure it before every pad change rather than every other one.\u003c\/p\u003e\n\u003cp\u003e310.0 mm at 58.6 mm hat height. The RS3 rear disc is 309.9 mm at 48.5 mm — the diameter difference is not measurable by hand, the height difference is 10 mm and obvious with a straight edge.\u003c\/p\u003e\n\u003cp\u003eOE reference 8J0615601A · Minimum thickness 20.0 mm · Bolt holes 5\u003c\/p\u003e\n\u003cdetails\u003e\n  \u003csummary\u003e▸ \u003cstrong\u003eFitment check\u003c\/strong\u003e\u003c\/summary\u003e\n  \u003cp\u003eTT RS 8J rear, 310 × 22 mm — OE 8J0615601A. The RS3 rear disc is 309.9 × 22 mm at a 48.5 mm hat and is a different part.\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\u003eRear, road car: Fixed. Floating hardware at the rear of a light car buys nothing you will feel.\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\u003eRear discs at 22 mm start thin. Measure at four points; 20.0 mm is the limit and there is no resurfacing margin.\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":51267395846369,"sku":"ZR-T-2039-FL","price":439.0,"currency_code":"USD","in_stock":true},{"title":"Fixed","offer_id":51267395813601,"sku":"ZR-T-2039-FX","price":389.0,"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\/collections\/audi-rs-ttrs.oembed","provider":"ZORVANT","version":"1.0","type":"link"}