IAG Street Series Pitch Mount Bushing Kit 75A Durometer - Subaru STI 04-18, WRX 02-18 Cooling Accessories especially since the factory pulley

especially since the factory pulley has a mass of 4

but the collars are something akin to stronger stiffer bushings without the drastic vibrations associated with hard plastic/solid bushings

superior-quality MONO SPORT offers capability for the most delicate control of the vehicle and for the deepest level of communication with the roads

No Cutting or Drilling on Factory Parts for Faster Installation

IAG Street Series Pitch Mount Bushing Kit 75A Durometer - Subaru STI 04-18, WRX 02-18 Cooling Accessories especially since the factory pulleyThe IAG Street Series Pitch Mount Bushing Kit is designed specifically for our CNC pitch mount. Our pitch mount is specifically designed with the ability to swap bushings for street or track use. The Street Series kit includes (x2) 75A durometer bushings that are slightly stiffer than the Subaru Group N mounts. The 75A durometer bushings reduce the motor and transmission movement under hard acceleration. Due to the higher durometer used in the street