Direct-fit OE replacement effectively restores and maximizes engine horsepower and torque curves while reducing emissions and improving vehicle efficiency. Precision-machined to ensure accurate variable valve timing, correct rough idle, and restore drivability. OE-matching sprocket tooth profiles result in quiet operation. Extensively designed to lower leakage and lash, which improves performance and leads to noise-free operation. Undergoes 100% end-of-line testing to meet or exceed OE performance. Included OE-style installation bolt leads to ease of installation, where applicable. With more than 200 part numbers and counting, our line of VVT components supplies the aftermarket-leading coverage that todays service professionals demand.