Today’s LS valvetrain is a much-improved design compared to their ancestors when it comes to durability. PRW Industries has developed a new fulcrum upgrade kit that will increase your factory rocker strength. They can handle even more when it comes to higher lift cams, performance valve springs, and higher RPMs.
The fulcrum bearings on an OEM rocker are an open or “uncaptured” design. Though good for light performance, they can be the weak point in an otherwise robust rocker design... CONTINUE READING