Title:Adjustable Cam Gear gears Pulley For Suzuki Swift GTI GTS G13B Engine 1.3L DOHC 1986-1999Application:For Suzuki Swift GTI GTS G13B Engine 1.3L DOHC 1986-1999Description:Material: CNC 6061-T6 AluminiumTested and Dyno proven increases of 4-12+ hpIndexed in 1deg Increments, +10 deg to -10 degNote:Instruction is NOT included.Professional installation is highly recommended.Please check the type moudle to make sure if it's right for you .