{"product_id":"wilwood-140-17878-d","title":"Wilwood Oldsmobile\/Pontiac Rear Dual-Caliper Drag Brake Conversion, 2.81-Inch Offset, Half-Inch Studs and Super Alloy Rotors","description":"\u003cp\u003eUse dual XRD rear calipers on the documented Oldsmobile\/Pontiac axle flange. Confirm half-inch studs, 2.81-inch offset and separate hydraulic circuits. The wheel-end assembly is selected by its measured housing-end interface and racing hydraulic arrangement. Wilwood Engineering was established in 1977 by Bill Wood and is based in Camarillo, California. Disc brake systems and components are its focus, from brake rotors and calipers to master cylinders, valves, brake lines and fittings. Its work spans motorsport, street-performance and specialized applications, with the complete brake system determining the correct individual components.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAxle stud requirement: 1\/2-inch diameter\u003c\/li\u003e\n\u003cli\u003eHydraulic flexlines: Not included; supply suitable hoses and fittings separately\u003c\/li\u003e\n\u003cli\u003eMounting hardware: Included; verify the installed fastener engagement\u003c\/li\u003e\n\u003cli\u003eNot included: spindles, wheel hubs, master cylinder or brake booster\u003c\/li\u003e\n\u003cli\u003eManufacturer part number: 140-17878-D\u003c\/li\u003e\n\u003cli\u003eBrake assembly: rear conversion kit; Sold as a kit.\u003c\/li\u003e\n\u003cli\u003eCalipers: Forged XRD Lug Mount; 4 pistons per caliper; Type III Anodize\u003c\/li\u003e\n\u003cli\u003eCaliper mounting: Lug\u003c\/li\u003e\n\u003cli\u003eIncluded pad compound: BP-28\u003c\/li\u003e\n\u003cli\u003ePiston material: Stainless\u003c\/li\u003e\n\u003cli\u003eHydraulic caliper inlet: 1\/8-27 NPT\u003c\/li\u003e\n\u003cli\u003eRotor dimensions and construction: 11.25 × 0.35 inches; Super Alloy; Drilled\u003c\/li\u003e\n\u003cli\u003eWheel-size reference: 15 in; the complete wheel-clearance drawing determines fit\u003c\/li\u003e\n\u003cli\u003eAxle mounting interface: Olds\/Pontiac; measured axle offset 2.81 in\u003c\/li\u003e\n\u003cli\u003eRotor \/ hat axle-flange drilling: 5 X 4.50; 5 X 4.75; 5 X 5.00 inches; this does not change the retained hub or axle wheel pattern\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eThis dual-XRD package is selected for a measured 1958–1964 Oldsmobile\/Pontiac rear housing end, 2.81-inch axle offset and half-inch wheel studs. Four calipers are used across the rear axle, so establish the intended hydraulic connections and space for both calipers at each rotor. Follow DS-1609 for bearing retainers, axle registration and dynamic hat assembly. The 11.25-inch drilled Super Alloy rotors use snap-ring retention in the lug-drive hats; those holes do not change the axle wheel pattern. Provide flexlines separately. Chevelle, 442, Beaumont, Camaro and Apollo rows below do not confirm the installed rear axle and require measured verification.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.wilwood.com\/BrakeKits\/BrakeKitsProdRear?itemno=140-17878-D\"\u003eWilwood product specifications\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds1609.pdf\"\u003eWilwood installation and compatibility information\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/Images\/BrakeKits\/Axle-Offset-Worksheet-Wilwood.pdf\"\u003eAxle measurement worksheet\u003c\/a\u003e · \u003ca href=\"https:\/\/www.wilwood.com\/BrakeKits\/BrakeKitFitmentApp.aspx?minorcat=XRD%20Dual%20SA%20Scalloped%20Lug%20Drive%20Dynamic%20Rear%20Drag%20Brake%20Kit\u0026amp;flange=Olds\/Pontiac%20-%20Rear%20Kit\u0026amp;offset=2.81\u0026amp;fitment=GMR01\"\u003eWilwood installation and compatibility information\u003c\/a\u003e\u003c\/p\u003e\u003cp\u003eBefore purchase, send PMB Performance the actual housing flange, axle offset, rotor registration and parking or hydraulic arrangement. Our over 20 years of parts and fitment experience helps identify the installation details that need to be checked.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eManufacturer warning — brake pads only:\u003c\/strong\u003e WARNING: Cancer and Reproductive Harm. \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\"\u003ewww.P65Warnings.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\u003e1964-1968\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eChevelle\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Hub Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eChevelle\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Pin Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003e442\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Hub Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1969\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eBeaumont\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Hub Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1964-1969\u003c\/td\u003e\n\u003ctd\u003ePontiac\u003c\/td\u003e\n\u003ctd\u003eBeaumont\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Pin Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Hub Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1967-1969\u003c\/td\u003e\n\u003ctd\u003eChevrolet\u003c\/td\u003e\n\u003ctd\u003eCamaro\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Pin Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970\u003c\/td\u003e\n\u003ctd\u003eOldsmobile\u003c\/td\u003e\n\u003ctd\u003e442\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Pin Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1974\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eApollo\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Hub Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1974\u003c\/td\u003e\n\u003ctd\u003eBuick\u003c\/td\u003e\n\u003ctd\u003eApollo\u003c\/td\u003e\n\u003ctd\u003ew\/ Ridetech Pin Spindle\u003c\/td\u003e\n\u003ctd\u003eDrop\u003c\/td\u003e\n\u003ctd\u003eDrum\u003c\/td\u003e\n\u003ctd\u003eRear Kit\u003c\/td\u003e\n\u003ctd\u003e1, 2, 3\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":67757534150834,"sku":"140-17878-D","price":2636.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/140-17878-D_kit-xl.jpg?v=1792450577","url":"https:\/\/pmbperformance.com\/products\/wilwood-140-17878-d","provider":"PMB Performance","version":"1.0","type":"link"}