Tru-Time Cam Gear - TRU-TIME CAM GEAR Increase horsepower and torque without any cam changes! Provide significant performance gains by allowing precise camshaft adjustments Feature true laser-etched markings and precision cut gear teeth that are guaranteed to match the Original Equipment (OE) drive tooth profile Gears can be advanced or retarded up to 10 degrees each way in one degree increments Enable an engine�s cam timing to match its tuning state, whether it is stock, modified, forced-induction or normally-aspirated. These gears are used by top race teams throughout the world and are a must when the cylinder head or block is milled or where aftermarket or reground camshafts are installed. Made from 6061 T-6 billet aluminum, each gear is strong and lightweight. All are CNC machined for superior precision and craftsmanship. Black anodized belt surfaces for increased durability. Laser-etched graphics for show-quality looks. DOHC applications require 2 cam gears. All cam gears sold separately. Applications:1988-1991 Honda Prelude B20-21,1992-1996 Honda Prelude H23A1,1994-1997 Honda Civic Del Sol DOHC,1999-2000 Honda Civic Si,1999-2000 Acura Integra