WM8-22XE - Wood Performance Knight Prowler Cams. The "Knight Prowler" Cams are designed by Wood Performance Carburetors, and are custom manufactured by Andrews Products to exact Wood Performance specifications. These special KNIGHT PROWLER STREET Cams feature Short Duration, High-Lift specs that are a trade mark of Bob Wood. They yield Very High torque and horsepower numbers, not matched by any other cams at this time.