Comp Cams Xtreme Energy 254/260 Solid Roller Cam K-Kit for Ford 429,460 – K34-773-9 Best for Pro Street, 3500+ stall. Needs good intake and exhaust, 11:1+ compression. Xtreme Energy 254/260 Solid Roller Cam K-Kit for Ford 429,460PRODUCT NOTES:Kit ” /








