AEM 88-95 Honda Civic/ 93-95 Del Sol S & Si Black Tru-Time Cam GearAEM Tru Time Adjustable Camshaft Gears increase horsepower and torque without having to change the camshaft(s) and are must have items for engines that are milled, forced induction, high compression and or utilizing aftermarket competition cams. AEM Tru Time cam gears enable users to match cam timing with their vehicle's tuning state by advancing or retarding the cam profile(s) in one degree increments via true laser etched markings. Precision cut