Grimmspeed Lightweight Crank Pulley Black For Subaru All EJ Engines GrimmSpeed

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Grimmspeed Lightweight Crank Pulley Black For Subaru All EJ Engines GrimmSpeedGRM 095015BK Improve Engine Response and Faster Rev's In our opinion, the OEM Subaru crank pulley has been a cause for concern ever since its original design. It is relatively heavy, susceptible to catastrophic failure, and quite unsightly. Continuing to use this on our cars just wouldn't do. Eliminating rotational mass while maintaining a safe presence can increase reliability and bring faster Rev's! For our Lightweight Crank Pulley we pulled out all

5" Titanium Tips with COBB Logo

Replace the restrictive OEM plastic charge pipe to increase horsepower and boost response with the PERRIN Charge Pipe for 2015-2019 WRX

Our piston seats onto an internal O-ring to create a perfect seal

but give it the boot and unleash a “war-cry wail

Max Gains: +34

SwitchPath™ Exhaust

stage 2 software)

Meaning that it will be just as much at home in a lower power NA build as it will be in a high power boosted application

PERRIN Radiator Stay kits for 2008-2018 WRX / STI have a hood prop mounting location built into their design

102mm quad tips diamond black

We spend considerable time and effort during development to achieve remarkable civility when idling and cruising at part throttle

powdercoated wrinkle black