Rxmotor Acura Honda B-series B16 B18 Crank Shaft Case Harmonic Balancer Pulley Wheel Blue FITMENT: 1990-2001 Acura Integra / 1988-2000 Honda Civic / 1988-1991 Honda CRX / 1993-1997 Honda Del Sol / 1997-2001 Honda CRV [ Attention: Will Only Work With B-Series Engine Swap; Some Models Is Not A Direct Bolt On ] [ Attention: B20 Engines Will Require Different Sized Belts ] Lightweight aluminum crank pulley made from T6061 aluminum and anodized for durability These pulleys increase power by reducing the parasitic drag caused by factory accessory pulleys. Reducing the rotational inertia of your motor frees up horsepower. Adds between 4-7 hp Reduces spin-up time and gives you that extra edge over. Increase throttle response