{"product_id":"pro-system-porsche-911-rsr-930-style-complete-front-rear-brake-kit-1975-1989","title":"Pro-System Porsche 911 RSR \/ 930-Style Complete Front \u0026 Rear Brake Kit | 1975–1989","description":"\u003cp\u003e\u003cstrong\u003eTHE RSR LOOK. KEEP YOUR FUCHS. GET THE COMPLETE BRAKE SYSTEM.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePeriod-correct 917\/RSR-style finned calipers. Proven installations beneath \u003cstrong\u003e15-inch and 16-inch Fuchs wheels\u003c\/strong\u003e. This is a \u003cstrong\u003ecomplete four-corner brake kit\u003c\/strong\u003e, including four calipers, Pro-System two-piece front and rear rotor assemblies, aluminum hats, hardware, brake lines and pads. It is the vintage Porsche look, backed by an integrated braking package rather than a collection of individually sourced components.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e\u003cstrong\u003e(Looking for front or rear only?  Just contact us)\u003c\/strong\u003e\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat you get in this kit:\u003c\/strong\u003e a complete front-and-rear system, not just a set of calipers. The optional parking-brake accommodation adds $485. Both 3.0-inch and 3.5-inch rear mounting configurations are available to suit different 911\/930 builds.\u003c\/p\u003e\n\u003cp\u003eFor 911 SC hot rods, 3.2 Carrera backdates, RSR-inspired street cars and vintage track builds, this gives enthusiasts a compelling alternative to locating and rebuilding scarce original Turbo brakes. \u003cstrong\u003eWheel fitment is vehicle- and wheel-specific:\u003c\/strong\u003e successful installations under 15-inch and 16-inch Fuchs do not guarantee clearance with every Fuchs wheel, offset, spacer or suspension arrangement; check exact fitment before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eOnly need the calipers?\u003c\/strong\u003e We also offer a separate front-and-rear RSR-style four-caliper set designed for use with compatible stock rotors. That caliper-only listing does not include rotors, hats, pads or brake lines.\u003c\/p\u003e\n\u003ch2\u003eA Complete, Four-Corner RSR-Inspired Brake Package\u003c\/h2\u003e\n\u003cp\u003eNot just calipers. Each kit includes a complete set of four RSR-style calipers, front and rear two-piece rotors with aluminum hats, rotor attachment hardware, brake lines and brake pads. Pro-System reports that its rotors and supplied pads are pre-bedded, and that each caliper is individually pressure tested before shipment.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eClassic finned appearance:\u003c\/strong\u003e an authentic motorsport-era look suited to vintage and backdated 911 builds.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFour-piston calipers on both axles:\u003c\/strong\u003e 38mm pistons in front, 30mm in the rear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e304mm ventilated rotors:\u003c\/strong\u003e 32mm thick front and 28mm thick rear, with 48 cooling vanes each.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eServiceable two-piece construction:\u003c\/strong\u003e replace worn rings separately from compatible reusable aluminum hats.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFamiliar pad shape:\u003c\/strong\u003e accepts the original RSR\/930-style pad profile, with compound choices for intended use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMade in the USA:\u003c\/strong\u003e Pro-System's documented caliper construction, high-temperature seals and motorsport-focused engineering.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eEngineered for the Air-Cooled Porsche\u003c\/h2\u003e\n\u003ch3\u003eRSR-Style Four-Piston Calipers\u003c\/h3\u003e\n\u003cp\u003eThe finned aluminum-alloy caliper housings are built for heat-intensive use. Front calipers feature four 38mm pistons; rear calipers feature four 30mm pistons. Pro-System specifies high-temperature seal materials, in-house brake dynamometer testing, and interchangeable service parts with Porsche 930 calipers. Each caliper is listed at approximately 7 lb.\u003c\/p\u003e\n\u003ch3\u003eVentilated Two-Piece Rotors\u003c\/h3\u003e\n\u003cp\u003eBoth axles use \u003cstrong\u003ePro-System two-piece rotor assemblies\u003c\/strong\u003e with replaceable iron rings and aluminum hats—not a one-piece disc substitution. The 304 x 32mm front and 304 x 28mm rear rings each use 48 ventilation vanes. Two-piece design simplifies future ring replacement when the hat and hardware remain serviceable.\u003c\/p\u003e\n\u003ch3\u003eBuilt Around the Correct Rear Mount\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eBRK.200549 — 3.0-inch rear lug spacing:\u003c\/strong\u003e the short-lug rear-caliper option for appropriate standard 911 trailing-arm configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBRK.200548 — 3.5-inch rear lug spacing:\u003c\/strong\u003e the long-lug rear-caliper option for appropriate 930-style trailing-arm configurations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment advisory:\u003c\/strong\u003e The supplied specification identifies 1975–1989 Porsche 911 RSR applications, but not every 1975–1989 911 has identical struts, trailing arms, hubs, master cylinders or parking-brake hardware. Confirm front 3.5-inch caliper mount spacing, rear mount spacing, rotor offset, hydraulic compatibility and wheel\/barrel clearance before purchase. Parking-brake accommodation is available as a selectable $1,600 upgrade; select Yes when required and verify compatibility with the vehicle's parking-brake configuration. Installation may require application-specific adjustments.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth style=\"text-align: left; padding: 9px; border-bottom: 1px solid #ddd;\"\u003eSpecification\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 9px; border-bottom: 1px solid #ddd;\"\u003eFront\u003c\/th\u003e\n\u003cth style=\"text-align: left; padding: 9px; border-bottom: 1px solid #ddd;\"\u003eRear\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-bottom: 1px solid #ddd;\"\u003eCaliper\u003c\/td\u003e\n\u003ctd\u003e4-piston, 4 × 38mm\u003c\/td\u003e\n\u003ctd\u003e4-piston, 4 × 30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-bottom: 1px solid #ddd;\"\u003eCaliper weight\u003c\/td\u003e\n\u003ctd\u003e7.0 lb each (catalog)\u003c\/td\u003e\n\u003ctd\u003e7.0 lb each (catalog)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-bottom: 1px solid #ddd;\"\u003eTwo-piece rotor\u003c\/td\u003e\n\u003ctd\u003e304 × 32mm\u003c\/td\u003e\n\u003ctd\u003e304 × 28mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-bottom: 1px solid #ddd;\"\u003eVentilation\u003c\/td\u003e\n\u003ctd\u003e48 vanes\u003c\/td\u003e\n\u003ctd\u003e48 vanes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-bottom: 1px solid #ddd;\"\u003ePad thickness\u003c\/td\u003e\n\u003ctd\u003e17.5mm\u003c\/td\u003e\n\u003ctd\u003e17.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-bottom: 1px solid #ddd;\"\u003eRear mounting\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003e3.0-inch or 3.5-inch variant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat's in the Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eLeft and right front RSR-style four-piston calipers\u003c\/li\u003e\n\u003cli\u003eLeft and right rear RSR-style four-piston calipers in selected mounting configuration\u003c\/li\u003e\n\u003cli\u003eLeft and right front and rear Pro-System two-piece rotor assemblies, hats and rotor hardware\u003c\/li\u003e\n\u003cli\u003eBrake lines and front\/rear pads\u003c\/li\u003e\n\u003cli\u003ePro-System installation and torque specifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eParking-brake accommodation:\u003c\/strong\u003e select No for the standard kit or Yes for the $1,600 additional option. Confirm the exact parking-brake hardware and compatibility before installation. Rotor hardware specification: 10 bolts per rotor, 26 ft-lb with red threadlocker per supplied catalog; follow the current instructions supplied with the kit if revised.\u003c\/p\u003e\n\u003cstyle\u003e\n#ps-rsr-spares{margin-top:30px}#ps-rsr-spares table{width:100%;border-collapse:collapse;table-layout:fixed}#ps-rsr-spares th{text-align:left;padding:11px;border-bottom:2px solid #cfd6dc}#ps-rsr-spares td{padding:11px;border-bottom:1px solid #e4e8ec;vertical-align:top;overflow-wrap:anywhere}#ps-rsr-spares tbody tr:nth-child(even){background:#f6f8fa}\n@media(max-width:600px){#ps-rsr-spares table,#ps-rsr-spares tbody,#ps-rsr-spares tr,#ps-rsr-spares td{display:block;width:100%;box-sizing:border-box}#ps-rsr-spares thead{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}#ps-rsr-spares tr{padding:10px;border-bottom:1px solid #ddd}#ps-rsr-spares td{padding:2px 0;border:0}#ps-rsr-spares td:first-child{font-weight:600}} \n\u003c\/style\u003e\n\u003csection id=\"ps-rsr-spares\"\u003e\n\u003ch2\u003eReplacement Parts \u0026amp; Spares Reference\u003c\/h2\u003e\n\u003cp\u003eReference only—spares are not included as additional products or priced here. Verify your installed kit SKU before selecting the correct rear caliper.\u003c\/p\u003e\n\u003ch3\u003eFront Axle\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeft front caliper\u003c\/td\u003e\n\u003ctd\u003eCAR.100457\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight front caliper\u003c\/td\u003e\n\u003ctd\u003eCAR.100458\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeft rotor ring, 304 × 32mm\u003c\/td\u003e\n\u003ctd\u003eROR.910527\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight rotor ring, 304 × 32mm\u003c\/td\u003e\n\u003ctd\u003eROR.910528\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFront rotor hat\u003c\/td\u003e\n\u003ctd\u003eHAT.101397\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eRear Axle\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeft rear caliper, 3.5-inch mount (BRK.200548)\u003c\/td\u003e\n\u003ctd\u003eCAR.100459\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight rear caliper, 3.5-inch mount (BRK.200548)\u003c\/td\u003e\n\u003ctd\u003eCAR.100460\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeft rear caliper, 3.0-inch mount (BRK.200549)\u003c\/td\u003e\n\u003ctd\u003eCAR.100461\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight rear caliper, 3.0-inch mount (BRK.200549)\u003c\/td\u003e\n\u003ctd\u003eCAR.100462\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLeft rotor ring, 304 × 28mm\u003c\/td\u003e\n\u003ctd\u003eROR.910523\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRight rotor ring, 304 × 28mm\u003c\/td\u003e\n\u003ctd\u003eROR.910524\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear rotor hat\u003c\/td\u003e\n\u003ctd\u003eHAT.101396\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003ePads \u0026amp; Rotor Hardware\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003ePart number\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePro-System front\/rear pad shape, 17.5mm\u003c\/td\u003e\n\u003ctd\u003eFDP – PSD1004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePagid reference, RSR\/930 pad shape\u003c\/td\u003e\n\u003ctd\u003ePAG1203RS***B (compound-dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProject Mu reference\u003c\/td\u003e\n\u003ctd\u003ePMUZ151\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor bobbin\u003c\/td\u003e\n\u003ctd\u003eBOT.100863\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor bolt\u003c\/td\u003e\n\u003ctd\u003eHAE.101003\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor washer\u003c\/td\u003e\n\u003ctd\u003eHAE.101004\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRotor hardware quantity\u003c\/td\u003e\n\u003ctd\u003e10 of each per rotor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cem\u003eBrake-line part numbers were not specified in the supplied sheet and should be verified with Pro-System.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/section\u003e","brand":"Pro-System","offers":[{"title":"3.0-inch Short Lug (911) \/ No","offer_id":49373649568052,"sku":"BRK.200549","price":8450.0,"currency_code":"USD","in_stock":true},{"title":"3.5-inch Long Lug (930) \/ No","offer_id":49373649600820,"sku":"BRK.200548","price":8450.0,"currency_code":"USD","in_stock":true},{"title":"3.0-inch Short Lug (911) \/ Yes","offer_id":49373667131700,"sku":"BRK.200549-PB","price":8935.0,"currency_code":"USD","in_stock":true},{"title":"3.5-inch Long Lug (930) \/ Yes","offer_id":49373667164468,"sku":"BRK.200548-PB","price":8935.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/8534\/7636\/files\/Enlarged_rotor_beside_Pro-System_brochure.png?v=1794424346","url":"https:\/\/alconkits.com\/products\/pro-system-porsche-911-rsr-930-style-complete-front-rear-brake-kit-1975-1989","provider":"Alcon Brake Kits","version":"1.0","type":"link"}