Grimmspeed Crank Pulley Black WRX (2002-2014) STI (2004-2018) Mercedes included for an easy install

included for an easy install requiring only basic hand tools

0T 2005-2009

These intake systems feature dry flow air filters for the best performance and almost zero maintenance

The GSS342 is capable of flowing 255 liters per hour (LPH)

Grimmspeed Crank Pulley Black WRX (2002-2014) STI (2004-2018) Mercedes included for an easy installThe OEM Subaru crank pulley has been a cause for concern ever since its original design. It is extremely heavy, susceptible to catastrophic failure, and quite unsightly. Eliminating rotational mass while maintaining a safe presence can increase reliability and bring faster Rev's! GrimmSpeed really pulled out all of the stops for this Lightweight Crank Pulley. CNC machined from 6061 T6 Aluminum this pulley makes no compromise. It weighs in 3. 5lbs