Description: These Governor springs should have come in your stock truck. Gone will be the days of only 2000rpms worth of power. These springs (depending on how much power you have) will let your injection pump...More Details »
Description: These Springs are not for your grocery getter. You will need 60lb Valve springs and your truck should make at least 500 horsepower for these to work properly. Some pumps (usually 160s and 180s)...More Details »
Description: These springs will let your injection pump fuel to around 3000rpms or 4000rpms. These springs are great for the mild to moderate trucks used for towing or having some fun on the weekend. This...More Details »
