BlackPath - Integra Type R Lightweight Underdrive Crankshaft Pulley Acura B18B1 + B18C1 + B18C3 + B18C5 Engines (Black) T6 Billet Fits: 1990 - 2001 Acura Integra CNC machined from solid billet aluminum, rather than the typical cast units Helps your engine rev much faster because these pulleys have an extremely low rotating mass while significantly increasing throttle response and freeing up lost HP and TQ Engineered to outperform and outlast the competition Includes detailed instructions