AEM Tru-Time adjustable camshaft gear for Honda/Acura B- and H-series engines (5-bolt). Tru-Time gears enable cam timing adjustment in one-degree increments via laser-etched markings without changing camshafts, helping tune timing for milled, boosted, high-compression or aftermarket-cam engines. CNC-machined from 6061-T6 aluminum, they include recommended settings and Grade-8 hardware for repeated adjustments.
AEM 90-91 Acura Interga RS LS GS & GSR/ 99-00 Honda Civic Si Black Tru-Time Cam Gear