{"product_id":"wilwood-260-11322","title":"Wilwood Fixed Combination Brake Valve for GM Front-Disc\/Rear-Drum Systems","description":"\u003cp\u003eThis non-adjustable combination valve performs three functions for the specified GM disc-front, drum-rear brake layout. It proportions rear pressure, delays initial front pressure and operates a differential-pressure circuit-failure switch when the front and rear circuits become unbalanced. From calipers and rotors to master cylinders, valves, brake lines and fittings, Wilwood Engineering's range covers disc brake systems and service components. Bill Wood founded the company in 1977; it is based in Camarillo, California and designs and manufactures for street-performance, specialized and motorsport applications. All component choices need to account for the complete system.\u003c\/p\u003e\u003ch3\u003eTechnical Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer part number:\u003c\/strong\u003e 260-11322\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComponent:\u003c\/strong\u003e Fixed GM-style combination valve for selected 1978-and-later front-disc\/rear-drum systems\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Black anodized\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRear pressure characteristic:\u003c\/strong\u003e 63% rear-pressure reduction after a 350 psi knee point, as specified in DS-793\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFront metering delay:\u003c\/strong\u003e 30 psi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFailure indicator:\u003c\/strong\u003e 50 ± 10 psi front\/rear differential; requires chassis ground\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure connections:\u003c\/strong\u003e Front inlet 1\/2-20, rear inlet 7\/16-24, front outlets 3\/8-24, rear outlet 9\/16-18; inverted flare\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLimits:\u003c\/strong\u003e 2000 psi maximum; −50 to 160°F\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded functions:\u003c\/strong\u003e Fixed proportioning, front metering and circuit-failure indication; not a hydraulic stop-light switch\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\u003cp\u003eWilwood DS793 identifies compatible 1978-and-later General Motors disc\/drum installations; verify the actual valve layout and port connections rather than assuming all GM vehicles use it. Chassis ground is required for the failure-indicator circuit. This fixed calibration is not a knob-adjustable proportioning valve or a hydraulic stop-light switch.\u003c\/p\u003e\u003ch3\u003eManufacturer Documents\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds793.pdf\" target=\"_blank\" rel=\"noopener\"\u003eWilwood product specifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/DS793.pdf\" target=\"_blank\" rel=\"noopener\"\u003eWilwood DS793 instructions and specifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wilwood.com\/PDF\/Flyers\/fl162.pdf\" target=\"_blank\" rel=\"noopener\"\u003eWilwood FL162 instructions and specifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wilwood.com\/PDF\/DataSheets\/ds793.pdf\" target=\"_blank\" rel=\"noopener\"\u003eWilwood DS793 instructions and specifications\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/www.wilwood.com\/PDF\/Flyers\/fl244.pdf\" target=\"_blank\" rel=\"noopener\"\u003eWilwood FL244 instructions and specifications\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor help choosing the correct service or conversion component, contact PMB Performance with the existing brake-system details. Our team has over 20 years of experience working through parts and fitment requirements.\u003c\/p\u003e","brand":"Wilwood","offers":[{"title":"Default Title","offer_id":67731102335154,"sku":"260-11322","price":131.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0521\/8792\/2610\/files\/260-11322-xl.jpg?v=1792184083","url":"https:\/\/pmbperformance.com\/products\/wilwood-260-11322","provider":"PMB Performance","version":"1.0","type":"link"}