AEM 23-800BK Black Tru-Time Adjustable Cam Gear Applications: 88-95 Honda Civic D15 and D16 Applications: 93-95 Honda Del Sol and Si D15 and D16 True laser-etched markings on the leading edge of the gear allow for quick, accurate adjustments CNC-machined from 6061-T6 billet aluminum For off-road use only