{"product_id":"wilwood-140-11963","title":"Wilwood Front Superlite 6R Brake Kit for Mazda RX-7 (1993–1995), Black Calipers, 12.88-Inch GT Slotted Rotors","description":"\u003cp\u003eThis Wilwood front RX-7 kit pairs black Forged Narrow Superlite 6R calipers with 12.88-inch GT slotted rotors. Separate hats attach the vented Spec-37 iron rings to the existing front hubs. Supplied BP-10 pads and radial brackets form a matched friction-and-caliper conversion for the specified Mazda assembly. Wilwood Engineering was founded by Bill Wood in 1977 and is based in Camarillo, California. The company designs and manufactures disc brake systems and components, including calipers, brake rotors, master cylinders, valves, fittings, and brake lines. Its product range serves motorsport, street-performance, and specialized applications, with individual components selected to match the requirements of the complete brake system.\u003c\/p\u003e\u003ch2\u003eTechnical Details\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 140-11963\u003c\/li\u003e\n\u003cli\u003eType: Forged Narrow Superlite 6R Big Brake Front Brake Kit (Hat)\u003c\/li\u003e\n\u003cli\u003eCalipers: Forged Narrow Superlite 6R; 6 pistons per caliper; Black Powder Coat; radial mounting.\u003c\/li\u003e\n\u003cli\u003ePiston bores: 1.62, 1.12, 1.12 inches; Stainless pistons. Included pad compound: BP-10.\u003c\/li\u003e\n\u003cli\u003eRotors: 12.88-inch diameter × 1.10-inch width; GT Slotted; Spec-37 Iron; Black Electro Coat finish.\u003c\/li\u003e\n\u003cli\u003eWheel bolt circles: 5 X 4.50; 5 X 4.75 inches.\u003c\/li\u003e\n\u003cli\u003eIncluded: paired calipers, pads, rotors, brackets and assembly hardware, rotor hats.\u003c\/li\u003e\n\u003cli\u003eHydraulic flex lines are separate. Master cylinder, booster and spindles are not included; retain or select suitable matching components.\u003c\/li\u003e\n\u003cli\u003eConditional minimum wheel diameter: 17 inches. Verify the complete clearance drawing for barrel and spoke offset before purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFitment \u0026amp; Compatibility\u003c\/h2\u003e\u003cp\u003eCheck the Mazda RX-7 model\/year and front hub arrangement against DS817. The vehicle table covers 1993–1995; the manufacturer's instruction header also mentions 1996, which needs separate vehicle verification before extending coverage. Distinct left and right calipers must be installed with their bleeders correctly oriented. Flex hoses are not supplied. Establish spoke depth and barrel clearance from the 17-inch conditional wheel template and inspect the retained hubs before assembling the hats.\u003c\/p\u003e\u003cp\u003eCheck the individual year, model, submodel and equipment conditions in the fitment table below before ordering.\u003c\/p\u003e\u003cp\u003eWilwood installation documents: \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds817.pdf\"\u003eInstallation instructions\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003ePMB Performance has over 20 years of brake-system experience. Contact us with your vehicle, axle or spindle details and wheel measurements for fitment help.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eCalifornia Proposition 65 warning, brake pads only:\u003c\/strong\u003e WARNING: This product can expose you to chemicals including Arsenic, Cadmium, Chromium (Hexavalent compounds), Lead, Nickel, Cobalt and Antimony Trioxide which are known to the State of California to cause cancer or other reproductive harm. For more information go to \u003ca href=\"https:\/\/www.p65warnings.ca.gov\/\"\u003ewww.p65warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\u003cdiv class=\"fitment-table-wrap\" style=\"overflow-x:auto\"\u003e\u003ctable class=\"specs\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel option\u003c\/th\u003e\n\u003cth\u003eFront brakes\u003c\/th\u003e\n\u003cth\u003eRear brakes\u003c\/th\u003e\n\u003cth\u003eKit application\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e1993-1995\u003c\/td\u003e\n\u003ctd\u003eMazda\u003c\/td\u003e\n\u003ctd\u003eRX-7\u003c\/td\u003e\n\u003ctd\u003eAll\u003c\/td\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003eDisc\u003c\/td\u003e\n\u003ctd\u003eFront Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67765562179762,"sku":"140-11963","price":2216.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-11963_kit-xl.jpg?v=1792520769","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-11963","provider":"PMB Performance","version":"1.0","type":"link"}