{"product_id":"wilwood-120-11137","title":"Wilwood Right FSLI4 Differential-Bore Caliper, 1.88\/1.75-Inch Pistons \/ 0.81-inch Rotor Width","description":"\u003cp\u003eThe right FSLI4 uses a differential 1.88\/1.75-inch piston arrangement to manage pad loading. This anodized four-piston version has a nominal 0.81-inch rotor-width channel and a 5.18-square-inch effective area. With a range spanning calipers, brake rotors, master cylinders, valves, fittings and brake lines, Wilwood Engineering designs and manufactures complete disc braking systems and their components. Bill Wood founded the Camarillo, California-based company in 1977 for a market now covering motorsport, street-performance and specialized applications.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 120-11137. Component: Forged Superlite Internal 4 caliper.\u003c\/li\u003e\n\u003cli\u003eSupply: one brake caliper, not a complete axle brake kit. Match the mating rotor, pads, bracket and connection hardware to the installation.\u003c\/li\u003e\n\u003cli\u003eCaliper weight: approximately 5.2 lb.\u003c\/li\u003e\n\u003cli\u003eMounting: lug, 3.50-inch centers; right hand orientation. Mount holes: 0.45 inch; height: 2.85 inches.\u003c\/li\u003e\n\u003cli\u003ePistons: 4 stainless steel; bore specification: 1.88\/1.75 inches. Effective piston area: 5.18 sq in.\u003c\/li\u003e\n\u003cli\u003eCompatible brake pad shape: 7420; choose the required compound for the brake system.\u003c\/li\u003e\n\u003cli\u003eRotor compatibility: nominal width 0.81 inch; diameter 11.75–13.06 inches. Specified rotor-width limits: 0.75–0.84 inch.\u003c\/li\u003e\n\u003cli\u003eHydraulic inlet thread: 1\/8-27 NPT. Use a fitting with the correct thread and sealing seat.\u003c\/li\u003e\n\u003cli\u003eBody: forged aluminum; finish: Type III anodize.\u003c\/li\u003e\n\u003cli\u003ePiston dust boots: not fitted.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eKeep the right-hand differential-bore orientation when selecting the caliper. Internal crossovers permit leading or trailing placement, but rotor offset and 7420 pad sweep still need to match the bracket.\u003c\/p\u003e\u003cp\u003ePMB Performance brings more than 20 years of experience to brake-part selection. Include the existing caliper, rotor and mounting details when requesting help with this assembly.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67764005961906,"sku":"120-11137","price":274.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/Forged_Superlite_Internal_4-xl.jpg?v=1792508563","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-11137","provider":"PMB Performance","version":"1.0","type":"link"}