{"product_id":"wilwood-120-11128-rd","title":"Wilwood Red Four-Piston Superlite Internal Caliper, 0.81-Inch Rotor Width \/ 3.00-Sq-In Area","description":"\u003cp\u003eRed powder coat finishes this four-piston Superlite Internal caliper. Equal 1.38-inch bores supply a 3.00-square-inch effective area in a body configured around a nominal 0.81-inch rotor width. Wilwood Engineering is a Camarillo, California-based designer and manufacturer of disc brake systems, founded by Bill Wood in 1977. Calipers, brake rotors, master cylinders, valves, fittings and brake lines form its range for motorsport, street-performance and specialized applications.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 120-11128-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\u003eBrake pad profile 7420; select friction material for the actual operating conditions.\u003c\/li\u003e\n\u003cli\u003eRed powder coat finish on a forged aluminum caliper body.\u003c\/li\u003e\n\u003cli\u003eCaliper weight: approximately 5.2 lb.\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\u003ePiston dust boots: not fitted.\u003c\/li\u003e\n\u003cli\u003e4 stainless steel pistons with 1.38-inch bore diameter. The specified effective area is 3.00 sq in.\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\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eConfirm the rotor's diameter, width and lateral placement together. The 3.50-inch lugs and 7420 pad family identify the mounting format, but do not establish a direct vehicle application.\u003c\/p\u003e\u003cp\u003ePMB Performance has worked with brake components for over 20 years. Share the required piston sizing, rotor measurements and bracket drawing for help checking the match.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67764004749490,"sku":"120-11128-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.jpg?v=1792508538","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-11128-rd","provider":"PMB Performance","version":"1.0","type":"link"}