{"product_id":"comp-cams-1431-1-magnum-roller-1-6-ratio-rocker-arm-for-ford-289-351w-w-3-8-stud","title":"COMP Cams 1431-1 Magnum Roller 1.6 Ratio Rocker Arm for Ford 289-351W w\/ 3\/8\" Stud","description":"\u003cp\u003eThis Magnum Roller Rocker Arm for Ford V8 289-351W (Rail Type) 1968-89 Applications is the ultimate street Rocker. With a 3\/8\" Stud diameter and 1.6 ratio, it is designed for Serious performance enthusiasts. All Magnum Roller Rocker Arms are constructed from 8620 chromemoly Steel, which is a superior material that will not flex and assures maximum lift. Their Roller tip reduces friction, while stiff design and superior ratio accuracy yield more effective valve lift. With a 15 to 30 horsepower increase over other Rocker arms, Magnum Roller Rockers are perfect for performance Applications with less than 350 lbs. open spring pressure. Don't accept inferior products or cheap knock-offs, look for the COMP Cams logo stamped into the underside of every Magnum Rocker.\u003c\/p\u003e\n\u003cp\u003ePerfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of pressure. This 1431 rail-type rocker features a 1.6 ratio for 3\/8\" stud '68-'89 Ford 289-351 Windsor.\u003c\/p\u003e\n\u003cp\u003ePlease review Specifications and the detailed fitment table for notes and exceptions.\u003c\/p\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47872496861397,"sku":"ds_BDQQ_1431-1","price":31.99,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0663\/8999\/9829\/files\/1431-1.jpg?v=1771541285","url":"https:\/\/shdp.ca\/products\/comp-cams-1431-1-magnum-roller-1-6-ratio-rocker-arm-for-ford-289-351w-w-3-8-stud","provider":"SHDP Truck \u0026 Auto","version":"1.0","type":"link"}