{"product_id":"wilwood-140-17659-r","title":"Wilwood GM G-Body 2.62-Inch Offset Rear Brake Kit, Red Superlite Calipers, 14-Inch Slotted Rotors and Parking Brake","description":"\u003cp\u003eFit rear hydraulic braking and internal parking shoes to a verified GM G-Body axle. This red-caliper GT package needs wheel and flange checks. The conversion combines the caliper, pad and rotor configuration specified for this axle and mounting arrangement. Wilwood Engineering was established in 1977 by Bill Wood and is based in Camarillo, California. Disc brake systems and components are its focus, from brake rotors and calipers to master cylinders, valves, brake lines and fittings. Its work spans motorsport, street-performance and specialized applications, with the complete brake system determining the correct individual components.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer identification: 140-17659-R\u003c\/li\u003e\n\u003cli\u003eApplication and supplied quantity: rear conversion kit; Sold as a kit.\u003c\/li\u003e\n\u003cli\u003eHydraulic service-caliper specification: Forged Narrow Superlite 4R; 4 pistons per caliper; Red Powder Coat\u003c\/li\u003e\n\u003cli\u003eCaliper attachment: Radial\u003c\/li\u003e\n\u003cli\u003eBrake pads supplied: BP-10\u003c\/li\u003e\n\u003cli\u003ePiston type: Stainless\u003c\/li\u003e\n\u003cli\u003eService-caliper port: 1\/8-27 NPT\u003c\/li\u003e\n\u003cli\u003eRotor assembly specification: 14.00 × 1.10 inches; Spec-37 Iron; GT Slotted\u003c\/li\u003e\n\u003cli\u003eWheel envelope: 18 in; the complete wheel-clearance drawing determines fit\u003c\/li\u003e\n\u003cli\u003eRear housing interface: G-Body; measured axle offset 2.62 in\u003c\/li\u003e\n\u003cli\u003eRotor hat bolt-circle specification: 5 x 4.50; 5 x 4.75; 5 x 5.00 inches; this does not change the retained hub or axle wheel pattern\u003c\/li\u003e\n\u003cli\u003eHydraulic hose selection: Not included; supply suitable hoses and fittings separately\u003c\/li\u003e\n\u003cli\u003eHardware provision: Included; verify the installed fastener engagement\u003c\/li\u003e\n\u003cli\u003eNot included: spindles, wheel hubs, master cylinder or brake booster\u003c\/li\u003e\n\u003cli\u003eParking system: Internal shoe parking brake; cable connection must be configured for the vehicle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eSelect this rear conversion by the GM G-Body housing flange and measured 2.62-inch axle offset. Installation requires substantial housing-flange material removal and drilling two holes as shown in DS-1571; a qualified machine shop is recommended. Parking-brake cables and their connection hardware are separate. Check shock-mount interference, axle registration and clearance around the 14-inch rotors and calipers.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.wilwood.com\/BrakeKits\/BrakeKitsProdRear?itemno=140-17659-R\"\u003eWilwood product specifications\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds1571.pdf\"\u003eWilwood installation and compatibility information\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/Images\/BrakeKits\/Axle-Offset-Worksheet-Wilwood.pdf\"\u003eAxle measurement worksheet\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/BrakeKits\/BrakeKitFitmentApp.aspx?minorcat=Forged%20Narrow%20Superlite%204R%20Big%20Brake%20Rear%20Parking%20Brake%20Kit\u0026amp;flange=G-Body%20-%20Rear%20Kit\u0026amp;offset=2.62\u0026amp;fitment=GMR42\"\u003eWilwood installation and compatibility information\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eFor help matching the brake assembly, contact PMB Performance with the actual housing flange, axle offset, rotor registration and parking or hydraulic arrangement. We have over 20 years of experience working through parts and fitment details.\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":67757532053682,"sku":"140-17659-R","price":2494.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-17659-R_kit-xl.jpg?v=1792450521","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-17659-r","provider":"PMB Performance","version":"1.0","type":"link"}