{"product_id":"comp-cams-magnum-roller-rockers-cb-fc","title":"COMP Cams Magnum Roller Rockers CB \/ FC","description":"and Ford V8 429-460 Applications are the ultimate street Rocker. With a 7\/16\" Stud diameter and 1.72 ratio, they are 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.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47051358666919,"sku":"CCA1411-16","price":305.13,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/989ffbb92aa5ecb93441085bdeb66c78.jpg?v=1758230803","url":"https:\/\/www.straightsiximports.com\/products\/comp-cams-magnum-roller-rockers-cb-fc","provider":"Straight Six Imports","version":"1.0","type":"link"}