{"product_id":"wilwood-200-7550","title":"Wilwood Thermlock Caliper Piston, 1.88 x 1.050 Inches for Aerolite and Superlite","description":"\u003cp\u003eThis 1.88-inch Thermlock piston uses a stainless shield and coated aluminum shell to interrupt heat flow from the pad toward the caliper fluid. At 1.050 inches long, it serves the Aerolite and Superlite configurations identified in Wilwood's Thermlock guide. Established by Bill Wood in 1977, Wilwood Engineering designs and manufactures its disc brake systems and components from Camarillo, California. The product range brings together brake lines, fittings, valves, calipers, rotors and master cylinders for specialized applications, motorsport and street performance, with every service component matched to the system as a whole.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eManufacturer part number: 200-7550\u003c\/li\u003e\n\u003cli\u003ePiston outside diameter: 1.88 in\u003c\/li\u003e\n\u003cli\u003ePiston length: 1.050 in\u003c\/li\u003e\n\u003cli\u003eFinish: Anodize\u003c\/li\u003e\n\u003cli\u003eSupplied component: One caliper piston; verify the required seal separately\u003c\/li\u003e\n\u003cli\u003ePiston construction: Thermlock\u003c\/li\u003e\n\u003cli\u003eMaterial: Aluminum shell with stainless steel shield\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eWilwood lists Aerolite 6\/4R and Superlite applications for this size. Confirm the exact caliper model and bore position before installation; the family name does not establish that every piston in the caliper uses this diameter.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.wilwood.com\/hardware\/PistonProd?itemno=200-7550\"\u003eWilwood product specifications\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/Flyers\/fl77.pdf\"\u003eThermlock piston application guide\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003ePMB Performance brings more than 20 years of brake-system experience to parts selection. Share the assembly identification and measurements if you need help confirming this component.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67731082215602,"sku":"200-7550","price":61.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/200-7550-lg.jpg?v=1792183681","url":"https:\/\/pmbperformance.com\/products\/wilwood-200-7550","provider":"PMB Performance","version":"1.0","type":"link"}