{"product_id":"wilwood-170-15383","title":"Wilwood Front Ram 2500\/3500 Truck Rotor Hat, Confirm Published Offset","description":"\u003cp\u003eThis Wilwood Ram 2500\/3500 front hat uses an eight-hole hub flange. Confirm the conflicting published offset before matching the rotor assembly. Since its founding by Bill Wood in 1977, Wilwood Engineering has focused on disc brake system design and manufacturing. Based in Camarillo, California, it offers calipers, rotors, brake lines, master cylinders, fittings and valves for motorsport, street-performance and specialized installations. Choose components to satisfy the requirements of the entire braking system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 170-15383\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub-flange mounting\/clearance pattern(s):\u003c\/strong\u003e 8 x 6.50 inches; verify the actual hub and wheel-stud clearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter register diameter:\u003c\/strong\u003e 4.84 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor mounting hole\/thread designation:\u003c\/strong\u003e 5\/16-18\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal clearance diameter:\u003c\/strong\u003e 8.57 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting-face thickness:\u003c\/strong\u003e 0.45 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub-side hole clearance diameter(s):\u003c\/strong\u003e 0.640 inches; these are clearance dimensions, not wheel-stud thread sizes\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer-listed attachment hardware reference:\u003c\/strong\u003e 230-14086; verify the specific rotor and attachment arrangement before ordering hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Truck Brake Rotor Hat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSurface finish:\u003c\/strong\u003e Black E-Coat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor mounting method:\u003c\/strong\u003e Fixed Mount\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePosition in the specified brake assembly:\u003c\/strong\u003e Front\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHat offset:\u003c\/strong\u003e 1.134 inches on the product page; 1.34 inches in DS1291. Confirm the supplied dimension and measurement reference with Wilwood.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor attachment interface:\u003c\/strong\u003e 12 x 9.75 inches; rotor attachment, separate from the hub flange\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eIdentify the installed brake conversion before choosing this hat for Ram 2500 and 3500 brake conversions. The offset, center register and attachment hardware must agree with the rotor and hub in that assembly. Wilwood publishes 1.134 inches on the product page and 1.34 inches in DS1291. Confirm the supplied offset and its reference faces; the measurements are not treated as interchangeable. Select the rotor and attachment hardware separately for the documented assembly. Follow the installation drawing for engagement and clearance at every mounting point.\u003c\/p\u003e\u003ch3\u003eManufacturer Reference\u003c\/h3\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.wilwood.com\/Hats\/HatProd?itemno=170-15383\"\u003eWilwood component specifications and dimensions\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds1291.pdf\"\u003eAssembly instructions DS1291\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003ePMB Performance can help identify the required brake component with over 20 years of parts experience. Send the kit details and original-part measurements.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67730124570802,"sku":"170-15383","price":236.52,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/170-15383-xl.jpg?v=1792173103","url":"https:\/\/pmbperformance.com\/products\/wilwood-170-15383","provider":"PMB Performance","version":"1.0","type":"link"}