{"product_id":"proform-parts-aluminum-roller-rocker-arms-66879","title":"Proform Parts Aluminum Roller Rocker Arms (MPN: 66879)","description":"\u003ch2\u003eEnhance engine performance with precision-engineered roller rockers.\u003c\/h2\u003e\r\n\u003cp\u003eThe Proform Parts Aluminum Roller Rocker Arms are designed for Ford Small Block 302 H.O. and 351W engines, featuring a 5\/16 inch stud diameter and a 1.6 ratio. These roller rockers are crafted from high-quality extruded aluminum, ensuring durability and longevity in demanding conditions. The non-self-aligning design and pedestal mount configuration provide a reliable fit for various hydraulic and roller cam applications from 1977 to 1994.\u003c\/p\u003e\r\n\u003cp\u003eWith precision machining, these rocker arms guarantee consistency and accuracy in ratio performance, which is critical for optimizing engine efficiency. The incorporation of full needle bearing trunions and roller tips significantly reduces internal friction, enhancing horsepower while extending the life of valve train components. This set of 16 rocker arms is an essential upgrade for those looking to improve their engine's performance and reliability.\u003c\/p\u003e\r\n\u003ch3\u003eFeatures\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003ePrecision Machined To Insure Consistency And Ratio Accuracy\u003c\/li\u003e\r\n    \u003cli\u003eCage Roller Needle Bearing Trunions\u003c\/li\u003e\r\n    \u003cli\u003ePedestal Mount Design\u003c\/li\u003e\r\n    \u003cli\u003ePROFORM Parts Brand Product\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003eManufacturer: Proform Parts\u003c\/li\u003e\r\n    \u003cli\u003eManufacturer Part Number: 66879\u003c\/li\u003e\r\n    \u003cli\u003eCompatibility: Ford Small Block 302 H.O.\/ 351W\u003c\/li\u003e\r\n    \u003cli\u003eStud Diameter: 5\/16 Inch\u003c\/li\u003e\r\n    \u003cli\u003eRatio: 1.6\u003c\/li\u003e\r\n    \u003cli\u003eBody Construction: Extruded Aluminum\u003c\/li\u003e\r\n    \u003cli\u003eMount Type: Pedestal Mount\u003c\/li\u003e\r\n    \u003cli\u003eRoller Tip: Yes\u003c\/li\u003e\r\n    \u003cli\u003eRoller Pivot: Yes\u003c\/li\u003e\r\n    \u003cli\u003eNut Style: Polylock\u003c\/li\u003e\r\n    \u003cli\u003eOffset: No Offset\u003c\/li\u003e\r\n    \u003cli\u003eSelf Aligning: No\u003c\/li\u003e\r\n    \u003cli\u003eMaximum Spring Diameter: 1-1\/2 Inch\u003c\/li\u003e\r\n    \u003cli\u003eQuantity: Set Of 16\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eCompatibility \/ Fit\u003c\/h3\u003e\r\n\u003cul\u003e\r\n    \u003cli\u003e1978-1985 Ford Bronco\u003c\/li\u003e\r\n    \u003cli\u003e1969-1974 Ford Country Sedan\u003c\/li\u003e\r\n    \u003cli\u003e1969-1974 Ford Country Squire\u003c\/li\u003e\r\n    \u003cli\u003e1969-1972 Ford Custom\u003c\/li\u003e\r\n    \u003cli\u003e1969-1977 Ford Custom 500\u003c\/li\u003e\r\n    \u003cli\u003e1975-1983 Ford E-100 Econoline\u003c\/li\u003e\r\n    \u003cli\u003e1975-1983 Ford E-100 Econoline Club Wagon\u003c\/li\u003e\r\n    \u003cli\u003e1975-1985 Ford E-150 Econoline\u003c\/li\u003e\r\n    \u003cli\u003e1975-1985 Ford E-150 Econoline Club Wagon\u003c\/li\u003e\r\n    \u003cli\u003e1975-1985 Ford E-250 Econoline\u003c\/li\u003e\r\n    \u003cli\u003e1975-1985 Ford E-250 Econoline Club Wagon\u003c\/li\u003e\r\n    \u003cli\u003e1975-1985 Ford E-350 Econoline\u003c\/li\u003e\r\n    \u003cli\u003e1977-1985 Ford E-350 Econoline Club Wagon\u003c\/li\u003e\r\n    \u003cli\u003e1975-1976 Ford Elite\u003c\/li\u003e\r\n    \u003cli\u003e1977-1979 Ford F-100\u003c\/li\u003e\r\n    \u003cli\u003e1977-1985 Ford F-150\u003c\/li\u003e\r\n    \u003cli\u003e1993-1995 Ford F-150\u003c\/li\u003e\r\n    \u003cli\u003e1977-1985 Ford F-250\u003c\/li\u003e\r\n    \u003cli\u003e1977-1985 Ford F-350\u003c\/li\u003e\r\n    \u003cli\u003e1969-1970 Ford Fairlane\u003c\/li\u003e\r\n    \u003cli\u003e1969-1970 Ford Falcon\u003c\/li\u003e\r\n    \u003cli\u003e1969-1974 Ford Galaxie 500\u003c\/li\u003e\r\n    \u003cli\u003e1972-1976 Ford Gran Torino\u003c\/li\u003e\r\n    \u003cli\u003e1975-1977 Ford Granada\u003c\/li\u003e\r\n    \u003cli\u003e1969-1984 Ford LTD\u003c\/li\u003e\r\n    \u003cli\u003e1987-1991 Ford LTD Crown Victoria\u003c\/li\u003e\r\n    \u003cli\u003e1977-1979 Ford LTD II\u003c\/li\u003e\r\n    \u003cli\u003e1969-1973 Ford Mustang\u003c\/li\u003e\r\n    \u003cli\u003e1969-1974 Ford Ranch Wagon\u003c\/li\u003e\r\n    \u003cli\u003e1969-1979 Ford Ranchero\u003c\/li\u003e\r\n    \u003cli\u003e1900-1900 Ford Small Block 221-351W\u003c\/li\u003e\r\n    \u003cli\u003e1977-1979 Ford Thunderbird\u003c\/li\u003e\r\n    \u003cli\u003e1969-1976 Ford Torino\u003c\/li\u003e\r\n    \u003cli\u003e1977-1977 Lincoln Versailles\u003c\/li\u003e\r\n    \u003cli\u003e1969-1974 Mercury Colony Park\u003c\/li\u003e\r\n    \u003cli\u003e1969-1969 Mercury Comet\u003c\/li\u003e\r\n    \u003cli\u003e1969-1979 Mercury Cougar\u003c\/li\u003e\r\n    \u003cli\u003e1969-1971 Mercury Cyclone\u003c\/li\u003e\r\n    \u003cli\u003e1978-1979 Mercury Grand Marquis\u003c\/li\u003e\r\n    \u003cli\u003e1971-1973 Mercury Marquis\u003c\/li\u003e\r\n    \u003cli\u003e1978-1979 Mercury Marquis\u003c\/li\u003e\r\n    \u003cli\u003e1975-1977 Mercury Monarch\u003c\/li\u003e\r\n    \u003cli\u003e1969-1976 Mercury Montego\u003c\/li\u003e\r\n    \u003cli\u003e1970-1974 Mercury Monterey\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\u003ch3\u003eProduct Videos\u003c\/h3\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/vehiclepartimages.com\/PMDT\/PRF\/Videos\/PROFORM%20Super%20Street%20SBC%20Roller%20Rockers%201080%20360p.mp4?autoplay=0\" loading=\"lazy\" style=\"max-width: 560px; width: 100%; aspect-ratio: 560\/360;\" frameborder=\"0\" allow=\"accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share; fullscreen\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\r\n\u003cp\u003e\u003ciframe src=\"https:\/\/vehiclepartimages.com\/PMDT\/PRF\/Videos\/SEMA%20360%20PROFORM%20Super-Street%20Rockers_%20360p.mp4?autoplay=0\" loading=\"lazy\" style=\"max-width: 560px; width: 100%; aspect-ratio: 560\/360;\" frameborder=\"0\" allow=\"accelerometer; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share; fullscreen\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/p\u003e\r\n","brand":"NTP-Stag","offers":[{"title":"Default Title","offer_id":47304139702511,"sku":"P7566879","price":507.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1583\/3619\/files\/66879.jpg?v=1767377827","url":"https:\/\/www.sprinterpartsdepot.com\/products\/proform-parts-aluminum-roller-rocker-arms-66879","provider":"Sprinter Parts Depot","version":"1.0","type":"link"}