2008-2021 Subaru STI and 2008-2014 Subaru WRX GrimmSpeed Stretch Belt Installation Adapter Kit
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.
Please 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.
