{"product_id":"wilwood-140-16988-d","title":"Wilwood Rear Dynapro Low-Profile Calipers and 11-Inch Drilled\/Slotted Brake Rotors for BOP 2.75-Inch Bearing Axles, Black Kit","description":"\u003cp\u003eBlack calipers and 11.00-inch SRP drilled \u0026amp; slotted rotors are the selected configuration. This staggered rear brake conversion combines four-piston Dynapro Low-Profile service calipers with 11.00-inch rotors and internal drum parking-brake assemblies. The axle interface is the BOP 2.75-inch bearing flange with a 2.75-inch axle offset. Wilwood Engineering, founded in 1977 by Bill Wood, is based in Camarillo, California. The company makes disc brake systems and components for motorsport, street-performance and specialized applications, including calipers, brake rotors, master cylinders, valves, fittings and brake lines. Each component must suit the surrounding brake system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe Wilwood manufacturer part number is 140-16988-D. This product is sold as a kit.\u003c\/li\u003e\n\u003cli\u003eThe black powder coat caliper bodies are Forged Dynapro Low Profile units with 4 pistons. Stainless pistons and lug mounts are specified.\u003c\/li\u003e\n\u003cli\u003e11.00-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 1.38, 1.38 inches.\u003c\/li\u003e\n\u003cli\u003eThe original hub arrangement must be retained or provided separately. No replacement wheel hubs come with the kit.\u003c\/li\u003e\n\u003cli\u003eCaliper inlet thread is 1\/8-27 NPT.\u003c\/li\u003e\n\u003cli\u003ePublished minimum rim diameter is 14 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\u003eDrum parking-brake assemblies are included inside the rotor hats. Supply parking cables, cable hardware\/adapters and hydraulic hoses\/fittings separately.\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\u003eUse measured axle dimensions: BOP 2.75-inch bearing flange, 2.75-inch offset and the staggered shock\/caliper layout. DS-1529 describes the 1964–1970 Buick\/Oldsmobile\/Pontiac axle arrangement, but no particular vehicle model is established here. Confirm the flange drawing, rotor register and axle-flange maximum of 6.61 inches with the specified chamfer. The rotor hat is drilled for 1\/2-inch wheel studs; upgrading smaller studs may require machining. Hydraulic hoses\/fittings and parking cables, hardware or adapters are not supplied.\u003c\/p\u003e\u003cp\u003eFor help selecting the correct brake package, give PMB Performance the vehicle details and measurements of the installed hardware. Our 20+ years of parts experience help resolve fitment beyond a model name alone.\u003c\/p\u003e\u003cp\u003eManufacturer documentation: \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds1529.pdf\"\u003eInstallation instructions\u003c\/a\u003e; \u003ca href=\"https:\/\/www.wilwood.com\/Images\/BrakeKits\/Axle-Offset-Worksheet-Wilwood.pdf\"\u003eTechnical bulletin\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","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67757525729458,"sku":"140-16988-D","price":1256.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-16988-D_kit-xl.jpg?v=1792450363","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-16988-d","provider":"PMB Performance","version":"1.0","type":"link"}