Grimmspeed Crank Pulley Red WRX (2002-2014) STI (2004-2018) Mazda eliminating all driveline slop and

eliminating all driveline slop and that annoying thud from first to second gear

this will seperate the exhaust gas exiting the downpipe

The Whiteline Heavy Duty sway bar mount kits are the perfect answer to that problem

These headers are constructed of near equal length mandrel-bent 1-5/8" 16-gauge

This is the Kartboy short shifter and bushing combo for the 2004+ Subaru STI

Grimmspeed Crank Pulley Red WRX (2002-2014) STI (2004-2018) Mazda eliminating all driveline slop andThe 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