{"product_id":"sb-ford-1968-89-mag-rock-arms-3-8-stud-1-6-ratio-1","title":"Sb Ford 1968-89 Mag Rock Arms 3\/8 Stud\/1.6 Ratio","description":"\u003cp\u003e\u003cb\u003ePart #:\u003c\/b\u003e 1431-1\u003c\/p\u003e\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\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\u003cp\u003eThis product may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.\u003c\/p\u003e","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":51783876051256,"sku":"C007 1431-1","price":47.17,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/horsepower-asset-426946-4784179-square.webp?v=1774557508","url":"https:\/\/store.motormia.co\/products\/sb-ford-1968-89-mag-rock-arms-3-8-stud-1-6-ratio-1","provider":"MOTORMIA","version":"1.0","type":"link"}