{"product_id":"comp-cams-magnum-roller-rocker-ford-sb-1","title":"COMP Cams Magnum Roller Rocker Ford SB","description":"This 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 1.7 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.","brand":"COMP Cams","offers":[{"title":"Default Title","offer_id":47051358797991,"sku":"CCA1450-1","price":23.03,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0555\/8344\/1063\/files\/c1085d03ae4852c506b3bb80931ea6b7.jpg?v=1758230804","url":"https:\/\/www.straightsiximports.com\/en-us\/products\/comp-cams-magnum-roller-rocker-ford-sb-1","provider":"Straight Six Imports","version":"1.0","type":"link"}