{"product_id":"wilwood-120-12602","title":"Wilwood Thermlock FNSL4R Caliper, 1.25-Inch Pistons \/ 1.10-Inch Rotor Width \/ Type III","description":"\u003cp\u003eThis anodized FNSL4R-ST uses four 1.25-inch Thermlock pistons and a nominal 1.10-inch rotor-width channel. The effective piston area is 2.46 square inches. 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: 120-12602. Component: Forged Narrow Superlite 4 Radial Mount 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\u003e4 Thermlock pistons with 1.25-inch bore diameter. The specified effective area is 2.46 sq in.\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\u003e5.98-inch radial mounting pattern, universal; mounting height 1.45 inches and hole size 0.39 inch.\u003c\/li\u003e\n\u003cli\u003eType III anodize finish on a forged aluminum caliper body.\u003c\/li\u003e\n\u003cli\u003eCaliper weight: approximately 5.0 lb.\u003c\/li\u003e\n\u003cli\u003ePiston dust boots: not fitted.\u003c\/li\u003e\n\u003cli\u003eBrake pad profile 7416; select friction material for the actual operating conditions.\u003c\/li\u003e\n\u003cli\u003eThe rotor channel is specified for 1.10-inch nominal width. Rotor outside diameter: 11.75 to 14.00 inches. Specified rotor-width limits: 1.00–1.10 inch.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eVerify the Thermlock piston construction and 7416 pad sweep when matching a replacement. The 5.98-inch radial bracket must locate the rotor correctly; this is the 1.25-inch-bore caliper, not the 1.12-inch-bore version.\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":67764016545970,"sku":"120-12602","price":577.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/Forged_Narrow_Superlite_4_Rdl_Mt-ST-Ano-xl.jpg?v=1792508647","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-12602","provider":"PMB Performance","version":"1.0","type":"link"}