Coupler is made from a combination of billet steel that attaches to the drive gear of the blower with a billet alum. dampener ring that uses the PSI or Lenco quill shaft. This drive absorber is designed to deflect and absorb shock harmonics from the crankshaft pulses and also gear lash from the supercharger with six stacks of O-rings between the alum. and steel couplers.
Includes grade eight mounting hardware and will work with all PSI C or D screw blower using a PSI mini snout.