We are happy to offer the Titan Motorsports Billet Aluminum Lightweight Pulley Kit for the 2JZ and 1JZ engines. Precision machined from solid aluminum, this is the finest pulley kit available. Reduce rotating mass and keep accessory speed where it should be, not underdriven. Kit includes: Power Steering Pulley, Water Pump Pulley, Alternator Pulley, and Idler Pulley. The TMS Billet Aluminum Pulleys are made of 6061-T6 Aluminum and the idler pulley features a precision bearing for lifelong performance and reliability. Although the bearing should NEVER fail, it is still serviceable. It is a direct replacement for the factory pulleys, no new hardware of spacers necessary. It is the same diameter as factory and does not require a belt change. Fits any car equipped with 2JZ or 1JZ engine with clutch fan water pump (not hydro-fan), including but not limited to: 1993-2001 Toyota Supra 1992-2001 Lexus SC300 JZA70 Supra Lexus IS300 Lexus GS300