Looking for an upgrade for your go-kart or mini bike that will improve its performance and durability? The Medium Weight Cam Rollers, 40 Series Driver, is the perfect component for you. These high-quality cam rollers are designed to fit the 40 Series Driver and offer superior performance and durability compared to other rollers. Made from top-quality materials, these rollers are built to withstand the toughest conditions and provide maximum performance. The medium weight design of these rollers provides the perfect balance between speed and torque, making them an ideal choice for those looking to improve both acceleration and top speed. Installing the Medium Weight Cam Rollers is a breeze, and they come with all the necessary hardware for a quick and easy upgrade. With their superior performance and durability, the Medium Weight Cam Rollers, 40 Series Driver, are the perfect upgrade for your go-kart or mini bike.
Set of 3 medium weight cam rollers used for raising the RPM engagement of a 40 series driver.
With the stock springs, your RPM engagement will be 2,200 RPM's.
Pair these with the Red Springs (KD203040A) for a 2,600 RPM engagement.