GrimmSpeed Stretch Belt Installation Adapter Kit - 2008-21 Subaru STI, 2008-14 Subaru WRX GRM095012

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.