{"product_id":"wilwood-170-7632","title":"Wilwood Front Chevrolet (1955–1957) Hat with 3.00-Inch Register","description":"\u003cp\u003eEight rotor bolts attach to this Wilwood 1955–1957 Chevrolet front hat. Match the 3.00-inch register and 1.430-inch offset to the conversion. Bill Wood founded Wilwood Engineering in 1977, and the manufacturer is based in Camarillo, California. Wilwood designs and manufactures disc brake systems alongside calipers, master cylinders, rotors, fittings, brake lines and valves. The motorsport, street-performance and specialized ranges depend on components selected to work within a complete braking system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 170-7632\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal clearance diameter:\u003c\/strong\u003e 6.04 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting-face thickness:\u003c\/strong\u003e 0.25 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub-side hole clearance diameter(s):\u003c\/strong\u003e 0.520 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 230-8390; verify the specific rotor and attachment arrangement before ordering hardware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer installation note:\u003c\/strong\u003e Hat is drilled and countersunk in three places to accommodate hat to hub anchoring screws used with specific Wilwood hat mount hubs. Use 230-7032 (contains 6 qty. 1\/4-20 x .50 Flat Head Hex Drive mounting screws)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Short-Offset 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 1.430 inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor attachment interface:\u003c\/strong\u003e 8 x 7.00 inches; rotor attachment, separate from the hub flange\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHub-flange mounting\/clearance pattern(s):\u003c\/strong\u003e 5 x 4.50, 5 x 4.75 inches; verify the actual hub and wheel-stud clearance\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCenter register diameter:\u003c\/strong\u003e 3.00 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotor mounting hole\/thread designation:\u003c\/strong\u003e 5\/16-18\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eThis is a component for Chevrolet 1955–1957 brake conversions, not a complete brake kit. Check the hub location, rotor mounting surface and caliper alignment as a system before ordering. 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=170-7632\"\u003eWilwood component specifications and dimensions\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eContact PMB Performance with the brake-kit identification and measurements for help selecting the part. Our team brings over 20 years of experience.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67730128175282,"sku":"170-7632","price":164.29,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/Big_Brake_Short_Offset-8blt-10lug-xl.jpg?v=1792173129","url":"https:\/\/pmbperformance.com\/products\/wilwood-170-7632","provider":"PMB Performance","version":"1.0","type":"link"}