Tomioka Racing Lightweight Crank Pulley - 2002-2021 Subaru WRX / STI / 2005-2012 Subaru Legacy GT / 1998-2013 Subaru Forester XT PDM_steering-wheel-and-accessories 5mm valve lift

5mm valve lift

Get the ultimate performance upgrade while maintaining a clean

Maintaining a safe Air/Fuel (A/F) ratio throughout the power band

5 35mm Offset 5x114

Tomioka Racing Lightweight Crank Pulley - 2002-2021 Subaru WRX / STI / 2005-2012 Subaru Legacy GT / 1998-2013 Subaru Forester XT PDM_steering-wheel-and-accessories 5mm valve liftTomioka Racing Lightweight Crank Pulley 2002 2021 Subaru WRX STI 2005 2012 Subaru Legacy GT 1998 2013 Subaru Forester XT Approximately 4 lbs Off the Factory Crank Pulley The Tomioka Racing Lightweight Crank Pulley removes approximately 4 lbs from the factory unit, reducing the rotational mass the engine must spin at the crankshaft. The reduction in rotational inertia allows the engine to rev more freely and respond more quickly to throttle inputs. CNC