{"product_id":"wilwood-140-17659","title":"Wilwood Rear FNSL4R Parking Brake Kit, Black Calipers and 14-Inch GT Rotors, GM G-Body 2.62-Inch Offset","description":"\u003cp\u003eConvert a measured GM G-Body rear axle with black four-piston calipers and 14-inch slotted rotors. Confirm the 2.62-inch offset and cable fit. The conversion combines the caliper, pad and rotor configuration specified for this axle and mounting arrangement. Founded by Bill Wood in 1977, Wilwood Engineering 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 motorsport, street-performance and specialized applications require individual components matched to the complete brake system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 140-17659\u003c\/li\u003e\n\u003cli\u003eBrake assembly: rear conversion kit; Sold as a kit.\u003c\/li\u003e\n\u003cli\u003eCalipers: Forged Narrow Superlite 4R; 4 pistons per caliper; Black Powder Coat\u003c\/li\u003e\n\u003cli\u003eCaliper mounting: Radial\u003c\/li\u003e\n\u003cli\u003eIncluded pad compound: BP-10\u003c\/li\u003e\n\u003cli\u003ePiston material: Stainless\u003c\/li\u003e\n\u003cli\u003eHydraulic caliper inlet: 1\/8-27 NPT\u003c\/li\u003e\n\u003cli\u003eRotor dimensions and construction: 14.00 × 1.10 inches; Spec-37 Iron; GT Slotted\u003c\/li\u003e\n\u003cli\u003eWheel-size reference: 18 in; the complete wheel-clearance drawing determines fit\u003c\/li\u003e\n\u003cli\u003eAxle mounting interface: G-Body; measured axle offset 2.62 in\u003c\/li\u003e\n\u003cli\u003eRotor \/ hat axle-flange drilling: 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 flexlines: Not included; supply suitable hoses and fittings separately\u003c\/li\u003e\n\u003cli\u003eMounting hardware: 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\"\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\u003ePMB Performance brings over 20 years of parts and fitment experience to component selection. Share the actual housing flange, axle offset, rotor registration and parking or hydraulic arrangement so we can help check the configuration before ordering.\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":67757531955378,"sku":"140-17659","price":2494.08,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-17659_kit-xl.jpg?v=1792450518","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-17659","provider":"PMB Performance","version":"1.0","type":"link"}