GrimmSpeed Crank Pulley (EJ20, EJ25)
CNC machined from 6061 T6 Aluminum. It weighs in at 3.5lbs lighter than OEM while at the same time increasing its durability. Marked with a timing mark and perfect cut keyway makes install a breeze. GrimSpeed designed the pulley with the optimum weight for performance while avoiding misfire CELs and engine hesitation.
- Decreases rotational mass more than 3.5lbs over OEM (You will see much faster revs as a result)
- Factory Fit for a clean install
- Optimum weight to avoid misfire CELs or hesitation
- Balanced CNC machined 6061 T6 Anodized Aluminum
- Includes OEM timing marks for timing verification.