{"product_id":"wilwood-120-11129-rd","title":"Wilwood Red Superlite Internal Four-Piston Caliper, 1.38-Inch Bore \/ Nominal 1.10-inch Rotor Width","description":"\u003cp\u003eThe red Superlite Internal caliper has four equal 1.38-inch stainless bores and is identified for a nominal 1.10-inch rotor width. Its forged housing routes fluid internally and retains the top-loaded 7420 pads with a center bridge bolt. Founded in 1977 by Bill Wood, Camarillo, California-based Wilwood Engineering designs and manufactures disc braking systems. Its motorsport, street-performance and specialized range covers calipers, brake rotors, master cylinders, valves, fittings and brake lines, selected as parts of a complete system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 120-11129-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\u003eCaliper weight: approximately 5.2 lb.\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\u003e3.50-inch lug mounting pattern, universal; mounting height 2.85 inches and hole size 0.45 inch.\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\u003ePiston dust boots: not fitted.\u003c\/li\u003e\n\u003cli\u003eThe rotor channel is specified for 1.10-inch nominal width. Rotor outside diameter: 11.75 to 13.06 inches. Confirm the usable minimum and maximum rotor width before installation.\u003c\/li\u003e\n\u003cli\u003eRed powder coat finish on a forged aluminum caliper body.\u003c\/li\u003e\n\u003cli\u003eBrake pad profile 7420; select friction material for the actual operating conditions.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eCheck the allowable minimum and maximum rotor widths before fitting. This version still needs the correct 3.50-inch mounting geometry and 3.00-square-inch piston area for the brake circuit.\u003c\/p\u003e\u003cp\u003ePMB Performance has over 20 years of brake-component experience. Send the existing caliper identification, rotor measurements and bracket details for help matching this configuration.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67764004913330,"sku":"120-11129-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_b9f290d3-5dd7-4885-a66d-b746595d610c.jpg?v=1792508542","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-11129-rd","provider":"PMB Performance","version":"1.0","type":"link"}