The STM 650 Cams are designed for the Evo 4-8 making at least 650+ wheel horsepower on a Mustang Dyno or looking for 155+ mph trap speeds in the quarter mile. Must be used with dual valve springs
The STM 650 Cams are designed for the Evo 4-8 making at least 650+ wheel horsepower on a Mustang Dyno or looking for 155+ mph trap speeds in the quarter mile. Must be used with dual valve springs
