Product Description
If you are running over 4,500 rpm and have a cam with large lobe lift, then these retainers are a must. Over 4,500 can only be run with our #110 springs
AW-17220743903, GT-K4ZB5X3V
If you are running over 4,500 rpm and have a cam with large lobe lift, then these retainers are a must. Over 4,500 can only be run with our #110 springs