{"product_id":"wilwood-120-11577-p","title":"Wilwood Polished FNDL Four-Piston Caliper, Thin Rotor \/ 1.12-Inch Bore","description":"\u003cp\u003eA polished forged housing distinguishes this thin-rotor Narrow Dynalite. Four 1.12-inch stainless pistons operate across a nominal 0.38-inch-wide rotor, giving the specified 1.98-square-inch effective area. 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: 120-11577-P. Component: Forged Narrow Dynalite 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\u003eThe rotor channel is specified for 0.38-inch nominal width. Rotor outside diameter: 11.75 to 12.72 inches. Specified rotor-width limits: 0.25–0.38 inch.\u003c\/li\u003e\n\u003cli\u003e4 stainless steel pistons with 1.12-inch bore diameter. The specified effective area is 1.98 sq in.\u003c\/li\u003e\n\u003cli\u003eBrake pad profile 7816; 7216; select friction material for the actual operating conditions.\u003c\/li\u003e\n\u003cli\u003eCaliper weight: approximately 4.1 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\u003epolished finish on a forged aluminum caliper body.\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\u003ePiston dust boots: not fitted.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eThe polished surface does not change the mounting or pad dimensions. Match 3.50-inch lugs, 7816\/7216 pad geometry and the thin rotor's centerline to the brake assembly.\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":67764008419506,"sku":"120-11577-P","price":389.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/Forged_Narrow_Dynalite_Polished-xl.jpg?v=1792508582","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-11577-p","provider":"PMB Performance","version":"1.0","type":"link"}