69-8625TWR K&N Performance Air Intake System, 2023 - 2025 Toyota GR Corolla 1.6L Stag This 100 mm diameter idler

This 100 mm diameter idler pulley can be used to correct belt length when changing supercharger pulleys or harmonic balancer sizes on the C6 ZR1 LS9

50 torque with no tune required

and ramp into boost more quickly for that sportier feel

Even after the most perfect pre-wash stages

Idler Pulley (Steel) Mar 2007 - Mar 2008

69-8625TWR K&N Performance Air Intake System, 2023 - 2025 Toyota GR Corolla 1.6L Stag This 100 mm diameter idlerGain a guaranteed increase in horsepower and torque with K&N cold air intake system featuring madrel bent aluminum intake tube. Each system is paired with a washable, reusable High Flow Air Filter featuring oiled cotton filter media.