Pro Balancing Power Steering + Alternator 2-pulley Kits Application: Honda Civic DOHC VTEC 1.6L 1992-1995 Honda Civic DOHC VTEC 1.6L 1996-2000 Honda Acura Intgra VTEC DOHC 1.8L 1994-2001 It's the upgrade model, not suit the stock part. Description: Light weight helps to increase horsepower. Each pound of weight removed from the crankshaft is worth approximately 2.7HP, The power Steering + Alternator pulley are at least 60% lighter than the OEM pulleys. Maintain all accessory output minimums like air conditioning efficiency, power steering feel,and voltage even at idle with everything electrical on in the car. Note: Professional Installer is Highly Recommended No Instruction Included No Factory timing marks, but not affect the function and installaction.