{"product_id":"wilwood-140-17792","title":"Wilwood Rear Inboard Sprint Brake Kit, FNSL6R-ST Caliper and 12-Inch Titanium Rotor","description":"\u003cp\u003eA 12-inch titanium inboard rotor and six-piston caliper serve the specified sprint-car rear assembly. Match the splined hub and side-bell mount. This specialized rear assembly places the service brake inboard on the sprint axle. Wilwood Engineering designs and manufactures disc brake systems from its base in Camarillo, California. Bill Wood founded the company in 1977. Its range of calipers, brake rotors, master cylinders, valves, fittings and brake lines serves motorsport, street-performance and specialized applications; each part must suit the requirements of the complete braking system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComponents outside the kit: hydraulic flexlines, master cylinder, complete quick-change rear axle\u003c\/li\u003e\n\u003cli\u003eWilwood manufacturer number: 140-17792\u003c\/li\u003e\n\u003cli\u003eKit function and position: Single rear inboard sprint brake assembly; sold as a kit.\u003c\/li\u003e\n\u003cli\u003eIntended use: Race Only. Not for Street use.\u003c\/li\u003e\n\u003cli\u003eCaliper family, piston count and finish: Forged Narrow Superlite 6R; 6 pistons per caliper; Type III Anodize\u003c\/li\u003e\n\u003cli\u003eMount arrangement: Radial\u003c\/li\u003e\n\u003cli\u003eSupplied brake-pad material: BP-28\u003c\/li\u003e\n\u003cli\u003eCaliper piston construction: Thermlock\u003c\/li\u003e\n\u003cli\u003eRotor diameter, width, material and face: 12.00 × 0.36 inches; Titanium; Slotted\u003c\/li\u003e\n\u003cli\u003eInboard axle and bracket interface: 3.00-inch × 46-spline sprint axle with 3.50-inch side-bell mounting centers; dynamic hub kit included\u003c\/li\u003e\n\u003cli\u003eBrake-hose provision: Not included; supply suitable hoses and fittings separately\u003c\/li\u003e\n\u003cli\u003eSupplied installation fasteners: Included; verify the installed fastener engagement\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eThis rear inboard sprint-car assembly mounts on a 3.00-inch, 46-spline quick-change axle and the documented 3.50-inch side-bell bracket interface. The splined dynamic hub is not a wheel-stud bolt circle. Confirm rotor centering, bracket spacing, axle clamp location and adjacent driveline clearance to DS-1596. This is a specialized racing assembly rather than a vehicle-specific wheel-end conversion, and suitable hydraulic plumbing must be provided separately.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.wilwood.com\/BrakeKits\/BrakeKitsProdRear?itemno=140-17792\"\u003eWilwood product specifications\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds1596.pdf\"\u003eWilwood installation and compatibility information\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/BrakeKits\/BrakeKitFitmentApp.aspx?minorcat=Forged%20Narrow%20Superlite%206%20Radial%20Mount%20Sprint%20Inboard%20Brake%20Kit\u0026amp;flange=OEM%20-%20Rear%20Kit\u0026amp;offset=0.00\u0026amp;fitment=STR01\"\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 spline dimensions, side-bell mounting centers and inboard rotor alignment 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":67757533855922,"sku":"140-17792","price":1844.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-17792_kit-xl.jpg?v=1792450570","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-17792","provider":"PMB Performance","version":"1.0","type":"link"}