{"product_id":"wilwood-160-3411a","title":"Wilwood Front Sprint\/Midget Drilled Aluminum Rotor with Type III Anodizing","description":"\u003cp\u003eA three-on-five-inch mounting arrangement connects this drilled aluminum ring to the intended Sprint or Midget front hub. The Type III anodized rotor is a specialized racing part, and its outside-diameter assignment conflicts between Wilwood’s product page and flyer. Wilwood’s calipers, rotors, master cylinders, valves, fittings and lines support complete disc brake systems rather than an isolated component choice. Founded in 1977 by Bill Wood and based in Camarillo, California, the company designs and manufactures these systems for motorsport, street performance and specialized applications. Correct pairing of the rotor with its surrounding hardware is essential.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 160-3411A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e One rotor; not an axle pair\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNominal thickness:\u003c\/strong\u003e 0.31 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor material:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConstruction:\u003c\/strong\u003e Solid\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFriction surface:\u003c\/strong\u003e Drilled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Type III Ano\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate weight:\u003c\/strong\u003e 1.60 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFactory burnished:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDynamically balanced:\u003c\/strong\u003e No\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInstallation orientation:\u003c\/strong\u003e Non-directional\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor attachment pattern:\u003c\/strong\u003e 3 x 5.00 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor mounting hole \/ thread:\u003c\/strong\u003e 0.516 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRegistration \/ lug inside diameter:\u003c\/strong\u003e 3.88 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside-diameter references:\u003c\/strong\u003e Product page: 10.20 inches; flyer FL506: 10.95 inches; confirmation required\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended use and restrictions:\u003c\/strong\u003e The product page recommends Purple compound pads; see the compatibility confirmation below. Restricted racing applications only, including dirt Sprint and Midget racing. Unsafe for street use and unsuitable for most forms of racing. Misuse can cause catastrophic failure.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe hat or hub, fasteners, caliper and pads are not included.\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eUse only in the approved dirt Sprint\/Midget application after confirming diameter and friction compound. It is unsafe for street use, unsuitable for most racing and can fail catastrophically if misused.\u003c\/p\u003e\u003cp\u003ePad-compound confirmation: the current rotor page recommends Purple compound, while Wilwood flyer FL506 specifies PolyMatrix Q for the hard-anodized aluminum rotors. Obtain Wilwood’s current recommendation for the exact rotor and caliper before selecting pads; these references should not be treated as interchangeable approvals.\u003c\/p\u003e\u003cp\u003eDiameter confirmation: Wilwood’s exact product page lists 10.20 inches, but its FL506 flyer and aluminum-rotor press release assign 10.95 inches to this part. The linked drawing contains generic dimension labels without numeric values. Confirm the physical rotor diameter with Wilwood before purchase; neither reference is assumed to override the other.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.wilwood.com\/Rotors\/RotorProd?itemno=160-3411A\"\u003eWilwood product specifications\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/Images\/Rotors\/Rotor_Drawings-Large\/Aluminum-Sprint-Midget-Rotor-3H-dw-lg.jpg\"\u003eRotor dimension diagram\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003ePut PMB Performance’s 20-plus years of brake knowledge to work when matching this part to your build. We can help review the dimensions and application requirements.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67730087706802,"sku":"160-3411A","price":104.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/160-3327A-xl_e4fe4a6b-4e38-4527-86af-e7347fda2333.jpg?v=1792172889","url":"https:\/\/pmbperformance.com\/products\/wilwood-160-3411a","provider":"PMB Performance","version":"1.0","type":"link"}