{"product_id":"wilwood-140-17142","title":"Wilwood Rear AERO4\/MC4 Brake Kit for C7 Front Uprights on Custom Chassis, Black, 14.00-Inch GT Rotors","description":"\u003cp\u003eThis rear AERO4\/MC4 package brings together 14.00-inch gt slotted brake rotors, pads and black 4-piston Wilwood calipers for C7 Front Uprights on Custom Rear Chassis. Rotor registration, caliper mounting and the wheel envelope should all be compared with the installation drawing. Established by Bill Wood in 1977 and based in Camarillo, California, Wilwood Engineering develops disc-brake systems and components for motorsport, street-performance and specialized applications. The range spans calipers and brake rotors through master cylinders, valves, fittings and brake lines, all requiring selection to suit the other parts of the brake system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 140-17142; supplied as an axle kit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eParking brake:\u003c\/strong\u003e Separate MC4 mechanical parking calipers supplied; arrange suitable cable operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor\/hat mounting-hole pattern:\u003c\/strong\u003e 5 X 4.5 in; 5 X 114.3 mm; 5 x 4.75 in; 5 x 120.65 mm; cataloged hole clearances 0.580 in; 14.73 mm; 0.520 in; 13.21 mm. These are rotor or hat drillings, not replacement wheel studs. The retained hub or axle determines the vehicle wheel pattern.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor hats:\u003c\/strong\u003e Aluminum big brake hat - flared bell; Black E-Coat; hat offset 0.540 inches. Hat offset is distinct from axle offset.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic sizing:\u003c\/strong\u003e cataloged bore sizes 1.12, 1.12 inches; piston area 1.98 square inches; inlet 1\/8-27 NPT.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor specification:\u003c\/strong\u003e Material: Spec-37 Iron; Type: GT 72 Curved Vane; Style: GT Slotted; Surface Finish: Black Electro Coat.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eService calipers:\u003c\/strong\u003e AERO4; 4 pistons per caliper; Black Powder Coat; radial mounting; stainless pistons.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSupplied friction pads:\u003c\/strong\u003e BP-10 compound; match operating conditions to the intended use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrake rotor size:\u003c\/strong\u003e 14.00-inch outside diameter × 1.10-inch thickness; vented friction section.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHardware and retained components:\u003c\/strong\u003e Mounting hardware supplied; existing wheel hubs retained; spindles, master cylinder and brake booster are not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHydraulic lines:\u003c\/strong\u003e Hydraulic flexlines and fittings are not included; select compatible lines for the complete installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWheel envelope:\u003c\/strong\u003e 18-inch minimum nominal wheel diameter; verify the entire wheel-clearance drawing, including spoke and barrel shape.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eDS1528 documents a C7 Corvette front upright used at the rear of a custom chassis. Verify the Roadster Shop Fast Track IRS arrangement and exact upright, hub register, stud pattern and 18-inch wheel clearance; this is not a stock C7 rear-brake replacement. The MC4 is a separate mechanically actuated parking caliper. Plan compatible cable actuation and separate hydraulic hoses.\u003c\/p\u003e\u003cp\u003eBefore ordering for modified hardware, give PMB Performance the VIN and clear photos of the installation. Our more than 20 years of parts experience helps us assess the details that model year alone cannot resolve.\u003c\/p\u003e\u003cp\u003eReview \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds1528.pdf\"\u003eInstallation instructions\u003c\/a\u003e for the complete installation and clearance requirements.\u003c\/p\u003e\u003ch3\u003eManufacturer Warning\u003c\/h3\u003e\u003cp\u003eApplicable to brake pads only. 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 www.p65warnings.ca.gov.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67757527793842,"sku":"140-17142","price":2679.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-17142_kit-xl.jpg?v=1792450409","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-17142","provider":"PMB Performance","version":"1.0","type":"link"}