{"product_id":"girodisc-porsche-991-front-rotors","title":"Girodisc Porsche 991 2-Piece Front Rotors","description":"\u003cp\u003eGirodisc 2-piece front rotors for every application in this range, in one listing. Choose your car in the \u003cstrong\u003eApplication\u003c\/strong\u003e drop-down, then choose \u003cstrong\u003eFull rotors with hats\u003c\/strong\u003e (complete assemblies, ready to install) or \u003cstrong\u003eReplacement rings only\u003c\/strong\u003e if you already run Girodisc hats.\u003c\/p\u003e\u003ch3\u003eApplication guide\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003cth\u003eFull rotors (pair)\u003c\/th\u003e\n\u003cth\u003eRings only (pair)\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e991 GT3 \/ GT3 RS – iron brakes\u003c\/td\u003e\n\u003ctd\u003eA1-146 – $1,750\u003c\/td\u003e\n\u003ctd\u003eD1-066 – $1,030\u003c\/td\u003e\n\u003ctd\u003eDirect replacement, factory unmodified pads, no modifications; keeps factory bias and ABS.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991 GT3 \/ GT3 RS \/ GT2 RS with PCCB → iron conversion\u003c\/td\u003e\n\u003ctd\u003eA1-154 – $1,950\u003c\/td\u003e\n\u003ctd\u003eD1-154 – $1,130\u003c\/td\u003e\n\u003ctd\u003eConverts carbon-ceramic to iron on the factory calipers. Use the 991 GT3 iron-brake pad shape.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991 Turbo \/ Turbo S – 380 mm iron\u003c\/td\u003e\n\u003ctd\u003eA1-066 – $1,750\u003c\/td\u003e\n\u003ctd\u003eD1-066 – $1,030\u003c\/td\u003e\n\u003ctd\u003eReplaces the factory 380 mm front rotors.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991 Turbo \/ Turbo S, 991.2 Carrera \u0026amp; Carrera S \/ GTS with PCCB → iron conversion\u003c\/td\u003e\n\u003ctd\u003eA1-156 – $1,950\u003c\/td\u003e\n\u003ctd\u003eD1-154 – $1,130\u003c\/td\u003e\n\u003ctd\u003e410 mm iron conversion on the factory PCCB calipers. Use the 991\/992 GT3 \u0026amp; Turbo iron-brake pad shape.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991.1 Carrera S \/ 4S \/ GTS – 340 mm, upsized to 350 mm (spacers included)\u003c\/td\u003e\n\u003ctd\u003eA1-122 – $1,350\u003c\/td\u003e\n\u003ctd\u003eD1-122 – $880\u003c\/td\u003e\n\u003ctd\u003eSlightly larger than the 340 mm factory disc; caliper spacers included.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991.1 Carrera \/ C4 – 330 mm, upsized to 350 mm (spacers \u0026amp; bolts included)\u003c\/td\u003e\n\u003ctd\u003eA1-153 – $1,350\u003c\/td\u003e\n\u003ctd\u003eD1-153 – $880\u003c\/td\u003e\n\u003ctd\u003eCaliper spacers and longer bolts included.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991.2 Carrera \/ C4 \/ T – 330 mm, upsized to 350 mm (spacers \u0026amp; bolts included)\u003c\/td\u003e\n\u003ctd\u003eA1-203 – $1,350\u003c\/td\u003e\n\u003ctd\u003eD1-203 – $880\u003c\/td\u003e\n\u003ctd\u003eCaliper spacers and longer bolts included.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991.1 \/ 991.2 Carrera S \/ 4S \/ GTS – 350 mm iron (direct fit)\u003c\/td\u003e\n\u003ctd\u003eA1-032 – $1,350\u003c\/td\u003e\n\u003ctd\u003eD1-032 – $880\u003c\/td\u003e\n\u003ctd\u003eDirect bolt-on replacement for cars with the factory 350 mm front rotor. No modifications.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991 GT3 Cup – Girodisc hats (380x32)\u003c\/td\u003e\n\u003ctd\u003eA1-238 – $1,750\u003c\/td\u003e\n\u003ctd\u003eD1-238 – $1,030\u003c\/td\u003e\n\u003ctd\u003eDirect replacement for the factory 380x32 mm Cup discs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991 GT3 Cup – rings for factory PFC hats (380x32)\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003eD1-370 – $1,030 (factory PFC hats)\u003c\/td\u003e\n\u003ctd\u003eTooth-drive rings that drop onto the factory Porsche\/PFC hats using the factory retaining hardware. 72 vanes vs. 48 original. Replaces PFC 380.32.0054.451\/.461. Hardware not included.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e991 GT2 RS Clubsport\u003c\/td\u003e\n\u003ctd\u003eA1-250 – $1,995\u003c\/td\u003e\n\u003ctd\u003eD1-250 – $1,150\u003c\/td\u003e\n\u003ctd\u003eDirect replacement for the factory front discs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cp\u003eCorrect fitment depends on the brake package your car left the factory with (rotor diameter, iron vs. PCCB \/ carbon-ceramic, caliper colour). If you are unsure, contact PHD Racing with your VIN before ordering and we will confirm the part number.\u003c\/p\u003e\u003ch3\u003eGirodisc 2-piece floating rotors\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIron friction ring on a 6061-T6 aluminum hat – cuts unsprung and rotating weight vs. the one-piece factory disc.\u003c\/li\u003e\n\u003cli\u003eCurved, directional cooling vanes act as a centrifugal pump, pulling air through the disc under repeated hard stops.\u003c\/li\u003e\n\u003cli\u003ePin-drive float system with anti-noise spring washers: the ring grows with heat and self-centers without the cold rattle of a race-style floating rotor.\u003c\/li\u003e\n\u003cli\u003eRings cast from Girodisc's own high-carbon iron and machined in-house in Bellingham, WA; hats machined from US-sourced aluminum.\u003c\/li\u003e\n\u003cli\u003eKeeps the factory calipers, brake bias and ABS behaviour. Sold in pairs, directional (left\/right).\u003c\/li\u003e\n\u003cli\u003eServiceable: when the rings wear out, order the \u003cem\u003eReplacement rings only\u003c\/em\u003e variant and keep your Girodisc hats. Replacement rings fit Girodisc hats only.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cem\u003eProduct photos are supplied by Girodisc and are representative of the product family; hat design and ring size vary by application.\u003c\/em\u003e\u003c\/p\u003e","brand":"Girodisc","offers":[{"title":"991 GT3 \/ GT3 RS – iron brakes \/ Full rotors with hats","offer_id":44447836700946,"sku":"A1-146","price":1750.0,"currency_code":"USD","in_stock":true},{"title":"991 GT3 \/ GT3 RS – iron brakes \/ Replacement rings only (Girodisc hats)","offer_id":52753141661970,"sku":"D1-066","price":1030.0,"currency_code":"USD","in_stock":true},{"title":"991 GT3 \/ GT3 RS \/ GT2 RS with PCCB → iron conversion \/ Full rotors with hats","offer_id":67575975543058,"sku":"A1-154","price":1950.0,"currency_code":"USD","in_stock":true},{"title":"991 GT3 \/ GT3 RS \/ GT2 RS with PCCB → iron conversion \/ Replacement rings only (Girodisc hats)","offer_id":67575975575826,"sku":"D1-154","price":1130.0,"currency_code":"USD","in_stock":true},{"title":"991 Turbo \/ Turbo S – 380 mm iron \/ Full rotors with hats","offer_id":67575975608594,"sku":"A1-066","price":1750.0,"currency_code":"USD","in_stock":true},{"title":"991 Turbo \/ Turbo S – 380 mm iron \/ Replacement rings only (Girodisc hats)","offer_id":67575975641362,"sku":"D1-066","price":1030.0,"currency_code":"USD","in_stock":true},{"title":"991 Turbo \/ Turbo S, 991.2 Carrera \u0026 Carrera S \/ GTS with PCCB → iron conversion \/ Full rotors with hats","offer_id":67575975674130,"sku":"A1-156","price":1950.0,"currency_code":"USD","in_stock":true},{"title":"991 Turbo \/ Turbo S, 991.2 Carrera \u0026 Carrera S \/ GTS with PCCB → iron conversion \/ Replacement rings only (Girodisc hats)","offer_id":67575975706898,"sku":"D1-154","price":1130.0,"currency_code":"USD","in_stock":true},{"title":"991.1 Carrera S \/ 4S \/ GTS – 340 mm, upsized to 350 mm (spacers included) \/ Full rotors with hats","offer_id":67575975739666,"sku":"A1-122","price":1350.0,"currency_code":"USD","in_stock":true},{"title":"991.1 Carrera S \/ 4S \/ GTS – 340 mm, upsized to 350 mm (spacers included) \/ Replacement rings only (Girodisc hats)","offer_id":67575975772434,"sku":"D1-122","price":880.0,"currency_code":"USD","in_stock":true},{"title":"991.1 Carrera \/ C4 – 330 mm, upsized to 350 mm (spacers \u0026 bolts included) \/ Full rotors with hats","offer_id":67575975805202,"sku":"A1-153","price":1350.0,"currency_code":"USD","in_stock":true},{"title":"991.1 Carrera \/ C4 – 330 mm, upsized to 350 mm (spacers \u0026 bolts included) \/ Replacement rings only (Girodisc hats)","offer_id":67575975837970,"sku":"D1-153","price":880.0,"currency_code":"USD","in_stock":true},{"title":"991.2 Carrera \/ C4 \/ T – 330 mm, upsized to 350 mm (spacers \u0026 bolts included) \/ Full rotors with hats","offer_id":67575975870738,"sku":"A1-203","price":1350.0,"currency_code":"USD","in_stock":true},{"title":"991.2 Carrera \/ C4 \/ T – 330 mm, upsized to 350 mm (spacers \u0026 bolts included) \/ Replacement rings only (Girodisc hats)","offer_id":67575975903506,"sku":"D1-203","price":880.0,"currency_code":"USD","in_stock":true},{"title":"991.1 \/ 991.2 Carrera S \/ 4S \/ GTS – 350 mm iron (direct fit) \/ Full rotors with hats","offer_id":67575975936274,"sku":"A1-032","price":1350.0,"currency_code":"USD","in_stock":true},{"title":"991.1 \/ 991.2 Carrera S \/ 4S \/ GTS – 350 mm iron (direct fit) \/ Replacement rings only (Girodisc hats)","offer_id":67575975969042,"sku":"D1-032","price":880.0,"currency_code":"USD","in_stock":true},{"title":"991 GT3 Cup – Girodisc hats (380x32) \/ Full rotors with hats","offer_id":67575976001810,"sku":"A1-238","price":1750.0,"currency_code":"USD","in_stock":true},{"title":"991 GT3 Cup – Girodisc hats (380x32) \/ Replacement rings only (Girodisc hats)","offer_id":67575976034578,"sku":"D1-238","price":1030.0,"currency_code":"USD","in_stock":true},{"title":"991 GT3 Cup – rings for factory PFC hats (380x32) \/ Replacement rings only (factory PFC hats)","offer_id":67575976067346,"sku":"D1-370","price":1030.0,"currency_code":"USD","in_stock":true},{"title":"991 GT2 RS Clubsport \/ Full rotors with hats","offer_id":67575976100114,"sku":"A1-250","price":1995.0,"currency_code":"USD","in_stock":true},{"title":"991 GT2 RS Clubsport \/ Replacement rings only (Girodisc hats)","offer_id":67575976132882,"sku":"D1-250","price":1150.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0274\/5502\/9357\/products\/Girodisc410_72v_024__21786_632d9cb2-767a-4ff2-a419-c25144351077.jpg?v=1675281539","url":"https:\/\/phdracing.store\/products\/girodisc-porsche-991-front-rotors","provider":"PHD Racing","version":"1.0","type":"link"}