{"product_id":"wilwood-120-10938-bk","title":"Wilwood Black Rear D52 Dual-Piston Caliper for 1.28-Inch-Wide Rotors","description":"\u003cp\u003eThis black D52 uses the small 1.25-inch piston pair intended for an appropriately balanced rear brake system. Its floating forged aluminum body accepts D52 pads and provides the nominal 1.28-inch rotor width clearance. Bill Wood founded Wilwood Engineering in 1977, and the company is based in Camarillo, California. It designs and manufactures disc brake systems and a component range of calipers, brake rotors, master cylinders, valves, fittings and brake lines serving motorsport, street-performance and specialized installations.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 120-10938-BK. Component: D52 Dual Piston Floater 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\u003ePistons: 2 stainless steel; bore specification: 1.25 inches. Effective piston area: 2.46 sq in.\u003c\/li\u003e\n\u003cli\u003eRotor compatibility: nominal width 1.28 inch; diameter 11.00–12.19 inches. Specified rotor-width limits: 1.19–1.28 inch.\u003c\/li\u003e\n\u003cli\u003eHydraulic inlet thread: 7\/16-20. Use a fitting with the correct thread and sealing seat.\u003c\/li\u003e\n\u003cli\u003eCaliper weight: approximately 5.5 lb.\u003c\/li\u003e\n\u003cli\u003eCompatible brake pad shape: D52; choose the required compound for the brake system.\u003c\/li\u003e\n\u003cli\u003eMounting: floating, 7.06-inch centers; universal orientation. Mount holes: 0.69 inch; height: 0.77 inches.\u003c\/li\u003e\n\u003cli\u003eBody: forged aluminum; finish: Black powder coat.\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\u003eMatch the caliper to the actual rear conversion or original mounting configuration. Do not replace a large-bore D52 solely on external appearance; confirm the 2.46-square-inch piston area, rotor dimensions and hose thread.\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":67764004126898,"sku":"120-10938-BK","price":222.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/120-10938-BK-xl.jpg?v=1792508523","url":"https:\/\/pmbperformance.com\/products\/wilwood-120-10938-bk","provider":"PMB Performance","version":"1.0","type":"link"}