6” TOP INSERT FOR XR-1 RACE SUPERCHARGERS (#2106) TBS XR Race Inserts are machined from 6061 billet aluminum in several sizes to accommodate specifically to...
7.50” TOP INSERT FOR STANDARD RACE CASE SUPERCHARGER (#2125) Our billet race inserts allow you to tailor blower boost to specifically fit your application. Changing...
7” TOP INSERT FOR XR-1 RACE SUPERCHARGER (#2105) TBS XR Race Inserts are machined from 6061 billet aluminum in several sizes to accommodate specifically to...