GrimmSpeed Stretch Kit Adapter

The GrimmSpeed Gates Stretch Belt Pulley Adapter which has been designed to be used specifically with the Gates Stretch Belt Kit with the GrimmSpeed Crank Pulley.
Note: This kit is not guaranteed work with other types of aftermarket crank pulleys, and is designed to be used for with the GrimmSpeed pulley only.

Included:
• GrimmSpeed Stretch Belt Installation Adapter Kit - 2008-21 Subaru STI, 2008-14 Subaru WRX