{"product_id":"wilwood-140-16907-dr","title":"Wilwood Front Brake Conversion, Red Dynapro Radial \/ Drilled\/Slotted 12.19-Inch Package for Chevrolet Tri-Five ProSpindle Cars (1955–1957)","description":"\u003cp\u003eThis Narrow Dynapro Radial front brake conversion combines four-piston calipers, 12.19-inch rotor rings, separate hats and replacement aluminum hubs. Red calipers and 12.19-inch SRP drilled \u0026amp; slotted rotors are the selected configuration. It is built around the Wilwood two-inch-drop ProSpindle interface. Bill Wood founded Wilwood Engineering in 1977; the company is based in Camarillo, California. Wilwood designs and manufactures calipers, brake rotors, master cylinders, valves, fittings and brake lines for motorsport, street-performance and specialized systems, with selection governed by the complete brake installation.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe Wilwood manufacturer part number is 140-16907-DR. This product is sold as a kit.\u003c\/li\u003e\n\u003cli\u003eThe red powder coat caliper bodies are Dynapro Radial Mount units with 4 pistons. Stainless pistons and radial mounts are specified.\u003c\/li\u003e\n\u003cli\u003e12.19-inch rotors are supplied in the SRP drilled \u0026amp; slotted configuration; the published thickness is 0.81 inch. These rotors use Iron.\u003c\/li\u003e\n\u003cli\u003eFriction material supplied is BP-10; the caliper bore measurements are 1.75, 1.75 inches.\u003c\/li\u003e\n\u003cli\u003eA 1.430-inch hat offset locates each rotor ring. Hats use aluminum construction and black e-coat finish.\u003c\/li\u003e\n\u003cli\u003eReplacement hubs are aluminum and come with the specified bearings\/seals. Wheel drilling: 5 x 4.50, 5 x 4.75 inches; studs: 1\/2-20.\u003c\/li\u003e\n\u003cli\u003eCaliper inlet thread is 1\/8-27 NPT.\u003c\/li\u003e\n\u003cli\u003ePublished minimum rim diameter is 15 inches. Use the template to check spoke clearance as well.\u003c\/li\u003e\n\u003cli\u003eProvide suitable flexible hoses and caliper\/chassis fittings; the brake kit does not supply flexlines.\u003c\/li\u003e\n\u003cli\u003eSupplied items include the pads and mounting fasteners; no replacement spindle, master cylinder or booster is included.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eWilwood ProSpindle 831-16660 is the required front spindle and is sold separately. This Dynapro assembly places new hubs and 12.19-inch rotor\/hat units on that spindle, with a published 0.34-inch outward track change per side. Use the original steering arms and their specified hardware. The vehicle rows cover 1955–1957 Bel Air, Nomad, One-Fifty, Sedan Delivery and Two-Ten, with Del Ray listed for 1957. Check the hub wheel pattern, hose selection and 15-inch wheel envelope. The table below preserves the individual vehicle and brake-option entries; select the complete matching row before ordering.\u003c\/p\u003e\u003cp\u003eWith over 20 years of parts and application experience, PMB Performance can help compare this assembly with your existing brakes. Supply the hub, axle or spindle specification and wheel-clearance information before ordering.\u003c\/p\u003e\u003cp\u003eManufacturer documentation: \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds1514.pdf\"\u003eInstallation instructions\u003c\/a\u003e.\u003c\/p\u003e\u003ch3\u003eManufacturer Warning\u003c\/h3\u003e\u003cp\u003eApplicable to brake pads only: Wilwood warns of exposure to arsenic, cadmium, hexavalent chromium compounds, lead, nickel, cobalt and antimony trioxide, chemicals known to California to cause cancer or reproductive harm. More information:\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.P65Warnings.ca.gov\/\"\u003eP65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e\u003cdiv class=\"fitment-table-wrap\" style=\"overflow-x:auto\"\u003e\u003ctable class=\"specs\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYears\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eModel option\u003c\/th\u003e\n\u003cth\u003eFront brakes\u003c\/th\u003e\n\u003cth\u003eRear brakes\u003c\/th\u003e\n\u003cth\u003eKit application\u003c\/th\u003e\n\u003cth\u003eNotes\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1955-1957\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eBel Air\u003c\/td\u003e\n\u003ctd\u003eVehicles using WWE Tri Five ProSpindle.\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eFront Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3, 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1955-1957\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eNomad\u003c\/td\u003e\n\u003ctd\u003eVehicles using WWE Tri Five ProSpindle.\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eFront Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3, 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1955-1957\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eOne-Fifty Series\u003c\/td\u003e\n\u003ctd\u003eVehicles using WWE Tri Five ProSpindle.\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eFront Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3, 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1955-1957\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eSedan Delivery\u003c\/td\u003e\n\u003ctd\u003eVehicles using WWE Tri Five ProSpindle.\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eFront Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3, 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1955-1957\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eTwo-Ten Series\u003c\/td\u003e\n\u003ctd\u003eVehicles using WWE Tri Five ProSpindle.\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eFront Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3, 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1957\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eDel Ray\u003c\/td\u003e\n\u003ctd\u003eVehicles using WWE Tri Five ProSpindle.\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eFront Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3, 4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003c\/div\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67757525205170,"sku":"140-16907-DR","price":1431.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-16907-DR_kit-xl.jpg?v=1792450350","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-16907-dr","provider":"PMB Performance","version":"1.0","type":"link"}