{"product_id":"wilwood-140-15498-r","title":"Wilwood 14-Inch GT Rear Brake Package with Red AERO6 Calipers for Superformance GT40","description":"\u003cp\u003eFor the Superformance GT40 rear interface, red AERO6 calipers pair with slotted Spec37 rotors and separate hats. Flexlines are purchased separately. Wilwood Engineering designs and builds disc brake systems in Camarillo, California. Bill Wood established the company in 1977; it supplies brake rotors, calipers, master cylinders, valves, fittings and lines for specialized applications, street performance and motorsport. The complete brake system determines which individual components are appropriate.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer: Wilwood\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 140-15498-R\u003c\/li\u003e\n\u003cli\u003eKit classification: Rear Brake Kits - Street Performance\u003c\/li\u003e\n\u003cli\u003eAxle position: Rear Kits\u003c\/li\u003e\n\u003cli\u003eBrake Type: Disc; Parking\u003c\/li\u003e\n\u003cli\u003eSelling unit: Sold as a kit.\u003c\/li\u003e\n\u003cli\u003ePistons per service caliper: 6\u003c\/li\u003e\n\u003cli\u003eService-caliper piston material: Stainless\u003c\/li\u003e\n\u003cli\u003eService-caliper mounting: Radial\u003c\/li\u003e\n\u003cli\u003eCaliper body construction: Forged aluminum\u003c\/li\u003e\n\u003cli\u003eCaliper Color: Red\u003c\/li\u003e\n\u003cli\u003eCaliper Finish: Red Powder Coat\u003c\/li\u003e\n\u003cli\u003eCaliper Inlet Port Diameter: 1\/8-27 NPT\u003c\/li\u003e\n\u003cli\u003eCaliper family: AERO6\u003c\/li\u003e\n\u003cli\u003ePad compound: BP-20\u003c\/li\u003e\n\u003cli\u003eRotor Outside Diameter: 14.00 in; 355.6 mm\u003c\/li\u003e\n\u003cli\u003eRotor Thickness: 1.25 in; 31.75 mm\u003c\/li\u003e\n\u003cli\u003eRotor Material: Spec-37 Iron\u003c\/li\u003e\n\u003cli\u003eSurface Type: GT Slotted\u003c\/li\u003e\n\u003cli\u003eRotor construction: Vented\u003c\/li\u003e\n\u003cli\u003eSpecified rotor-hat mounting pattern: 6 x 4.25 in; 6 x 107.95 mm\u003c\/li\u003e\n\u003cli\u003eRotor-hat mounting-hole clearance diameter (not stud thread): 0.530 in; 13.46 mm\u003c\/li\u003e\n\u003cli\u003eRotor surface finish: Black Electro Coat\u003c\/li\u003e\n\u003cli\u003eRotor vane \/ construction reference: 72 CV\u003c\/li\u003e\n\u003cli\u003eHat material: Aluminum\u003c\/li\u003e\n\u003cli\u003eHat finish: Black E-Coat\u003c\/li\u003e\n\u003cli\u003eHat offset (not axle-flange offset): 1.270 in\u003c\/li\u003e\n\u003cli\u003eMinimum wheel diameter guidance; verify clearance drawing: 18 in; 457.2 mm\u003c\/li\u003e\n\u003cli\u003eSpindle Included: No\u003c\/li\u003e\n\u003cli\u003eMounting Hardware Included: Yes\u003c\/li\u003e\n\u003cli\u003eSeparate wheel hubs included: No\u003c\/li\u003e\n\u003cli\u003eMaster Cylinder Included: No\u003c\/li\u003e\n\u003cli\u003eBrake Booster Included: No\u003c\/li\u003e\n\u003cli\u003eBrake Lines Included: No\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eThis rear kit is specific to the documented Superformance GT40 installation, not general original or replica GT40 compatibility. Six-piston AERO6\/Aerolite 6R calipers provide hydraulic service braking. The 14.00 × 1.25-inch Spec37 GT rotor rings attach to separate aluminum hats with the specified six-on-4.25-inch mounting interface. Retain the existing parking mechanism. No hydraulic hoses are included; select appropriate lines, end fittings and length for the actual car. Check the hat\/hub interface, caliper alignment and wheel drawing.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.wilwood.com\/BrakeKits\/BrakeKitsProdRear?itemno=140-15498-R\"\u003eWilwood product specifications\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds1310.pdf\"\u003eInstallation instructions\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eWith more than 20 years of parts and fitment experience, PMB Performance can help compare the existing brake assembly with the required component.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer warning — brake pads only:\u003c\/strong\u003e WARNING: Cancer and Reproductive Harm. \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67757029621938,"sku":"140-15498-R","price":2686.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-15498-R_kit-xl.jpg?v=1792443308","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-15498-r","provider":"PMB Performance","version":"1.0","type":"link"}