{"product_id":"wilwood-120-11128","title":"Wilwood Forged Superlite Internal Caliper, Type III \/ 1.38-Inch Bores \/ 0.81-inch Rotor Width","description":"\u003cp\u003eA Type III anodized housing surrounds four symmetrical 1.38-inch stainless pistons on this FSLI caliper. Its nominal 0.81-inch rotor-width channel and 3.00-square-inch effective piston area are the key dimensions for a replacement match. This component comes from Wilwood Engineering, established in 1977 by Bill Wood and based in Camarillo, California. Its disc brake design and manufacturing work includes calipers, brake rotors, master cylinders, valves, fittings and brake lines for motorsport, street-performance and specialized systems.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 120-11128. 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\u003eNominal rotor width 0.81 inch; compatible outside diameter from 11.75 through 13.06 inches. Specified rotor-width limits: 0.75–0.84 inch.\u003c\/li\u003e\n\u003cli\u003eConstruction and surface: forged aluminum housing finished in Type III anodize.\u003c\/li\u003e\n\u003cli\u003ePad fit is type 7420. Match the pad dimensions and compound to the rotor and intended braking conditions.\u003c\/li\u003e\n\u003cli\u003eBore configuration 1.38 inches across 4 pistons; piston material: stainless steel. Hydraulic effective area: 3.00 square inches.\u003c\/li\u003e\n\u003cli\u003eBracket interface: 3.50-inch lug centers with 0.45-inch holes. Specified mount height: 2.85 inches; orientation: universal.\u003c\/li\u003e\n\u003cli\u003ePiston dust boots: not fitted.\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\u003eCheck the 7420 pad sweep and 3.50-inch lug centers against the existing assembly. Rotor offset and wheel clearance remain separate from the caliper's nominal width.\u003c\/p\u003e\u003cp\u003eFor a replacement or custom installation, send PMB Performance the brake dimensions and existing component identification. Our 20+ years of experience can help narrow down the correct combination.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67764004683954,"sku":"120-11128","price":253.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/Forged_Superlite_Internal-xl_d5898169-7876-4731-9ff5-085844f18ee6.jpg?v=1792508536","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-11128","provider":"PMB Performance","version":"1.0","type":"link"}