{"product_id":"porterfield-ap31","title":"Porterfield AP31 Brake Pads","description":"\u003cdiv class=\"manufacturer-description\"\u003e\n\u003cp\u003ePorterfield Brakes are race-bred friction designed and proven on the track. Each set is precision-cut from premium friction material and developed for high-temperature durability, fade resistance, and consistent pedal feel.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAvailable Compound Options for this Fitment:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eR-4 — The original road racing compound that is very rotor friendly and easy to modulate. Medium friction with a 0–1200°F temperature range; optimum 350°F–900°F. \u003cstrong\u003eNot for street use.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eR4-E — The Endurance compound. Slightly lower friction than the R-4 but designed to wear longer for endurance races (4–6 hour). Characteristics are otherwise much the same as R-4. \u003cstrong\u003eNot for street use.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eR4-1 — The Vintage compound. Designed for vehicles that struggle to keep heat in the pads. Best when temps are under 600°F and peak temps stay below 1000°F. Also popular as an autocross pad. \u003cstrong\u003eNot for street use.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eR4-S — The performance street pad. Lowest dust and squeal of any street pad in the Porterfield line, very rotor friendly, and lasts as long as (or slightly longer than) stock pads. \u003cstrong\u003eNot for track use.\u003c\/strong\u003e \u003cstrong\u003eNot for use with CCM discs.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eVehicle Fitment\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePorterfield AP31 brake pad Axle Set of 4 Pieces FRONT\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable style=\"width:100%; border-collapse:collapse;\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"text-align:left; padding:6px; border-bottom:1px solid #ccc;\"\u003eMake\u003c\/th\u003e\n\u003cth style=\"text-align:left; padding:6px; border-bottom:1px solid #ccc;\"\u003eVehicle Applications\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003eAlfa Romeo\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e77-77 Alfetta, 66-68 Duetto 1600 w\/ATE, 64-68 Guilia w\/ATE, 64-68 Giulia Sprint w\/ATE, 64-66 GTC w\/ATE, 65-68 GTV w\/ATE, 1964 GTZ w\/ATE, 78-79 Sport, 65 \u0026amp; 67 TZ w\/ATE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003eAudi\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e70-72 100 w\/Manual Trans, 69-72 Super 90\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003eBMW\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e61-65 1500, 63-68 1800, 67-69 2002, 1964 1800TI\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003eOpel\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e71-73 1900, 68-72 Kadett, 71-73 Manta, 68-70 Opel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003ePorsche\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e63-65 356 w\/Disc, 65-68 911, 69-73 911 M Caliper w\/Solid Rotors, 65-69 912, 70-71 914\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003eSaab\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e69-74 99 REAR FOR PORSCHE : 69-77 911 S Caliper, 75-77 911 A Caliper, 78-89 911,75-77 911 Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003eMaserati\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e82-90 425\/428\/430\/Biturbo\/Zagato Spider\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003eFerrari\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e71-74 Dino 246, 74-85 308\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003eMercedes Benz\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e74-83 240D, 66-73 250 series, 67-80 280Series, 86-91 560SEL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding:6px; vertical-align:top; font-weight:bold;\"\u003eVolvo\u003c\/td\u003e\n\u003ctd style=\"padding:6px;\"\u003e67-74 142,144,145, 84-92 740,745,760, 98-04 C70, 98-00 S70, 98-00 V70 FRONT \u0026amp;\/or REAR FOR PORSCHE : 69-74 911 “M” Caliper with Vented Rotors, 1969 912, 1976 912 M Caliper, 70-72 914\/6 D31, AP31, R31.15, PFC 0031, Pagid 4304, HB172.595, FCP2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eAll Porterfield Brakes products carry the manufacturer's standard warranty. Race compounds are not for street use.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Porterfield","offers":[{"title":"R-4","offer_id":53178630472043,"sku":"AP31 R-4","price":261.95,"currency_code":"CAD","in_stock":true},{"title":"R4-E","offer_id":53178630504811,"sku":"AP31 R4-E","price":261.95,"currency_code":"CAD","in_stock":true},{"title":"R4-1","offer_id":53178630537579,"sku":"AP31 R4-1","price":261.95,"currency_code":"CAD","in_stock":true},{"title":"R4-S","offer_id":53178630570347,"sku":"AP31 R4-S","price":169.95,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/9690\/4998\/files\/porterfieldbrake_pads.1.webp?v=1778033394","url":"https:\/\/www.raptorracing.ca\/products\/porterfield-ap31","provider":"Raptor Racing","version":"1.0","type":"link"}