{"product_id":"wilwood-120-11131-rd","title":"Wilwood Red FSLI Four-Piston Caliper, 1.62-Inch Bores \/ 3.50-Inch Lugs \/ 0.81-inch Rotor Width","description":"\u003cp\u003eThis red FSLI carries four 1.62-inch stainless pistons in a forged body with a nominal 0.81-inch rotor-width channel. The center bridge bolt provides pad retention and access to the 7420 friction pads. Wilwood Engineering designs and manufactures disc brake systems for motorsport, street-performance and specialized applications. Bill Wood founded the company in 1977; it is based in Camarillo, California, and its component range includes calipers, brake rotors, master cylinders, valves, fittings and brake lines.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 120-11131-RD. Component: Forged Superlite Internal 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\u003eRed powder coat finish on a forged aluminum caliper body.\u003c\/li\u003e\n\u003cli\u003ePiston dust boots: not fitted.\u003c\/li\u003e\n\u003cli\u003eCaliper weight: approximately 5.2 lb.\u003c\/li\u003e\n\u003cli\u003eBrake pad profile 7420; select friction material for the actual operating conditions.\u003c\/li\u003e\n\u003cli\u003e3.50-inch lug mounting pattern, universal; mounting height 2.85 inches and hole size 0.45 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\u003eThe rotor channel is specified for 0.81-inch nominal width. Rotor outside diameter: 11.75 to 13.06 inches. Specified rotor-width limits: 0.75–0.84 inch.\u003c\/li\u003e\n\u003cli\u003e4 stainless steel pistons with 1.62-inch bore diameter. The specified effective area is 4.12 sq in.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eA 4.12-square-inch effective area needs a compatible hydraulic circuit. Compare the 3.50-inch lugs, rotor centerline and wheel envelope when choosing the final mounting arrangement.\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":67764005535922,"sku":"120-11131-RD","price":345.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/Forged_Superlite_Internal_Red-xl_41b6942a-2ff5-47cf-8a7b-15dc9091d11d.jpg?v=1792508549","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-11131-rd","provider":"PMB Performance","version":"1.0","type":"link"}