1963-1965 Muncie M20 M21 Manual Transmission Bearing Kit w/ Synchros (ZMBK117WS) shock-absorber The Injen IS Series short

The Injen IS Series short ram intake is designed to improve airflow efficiency and throttle response for the Subaru WRX and STi

blacked-out look while the full LED setup delivers sequential turn signals and activation light sequence for a dramatic upgrade over stock

where the driver's side sits lower than the passenger's side

Improves look & adds protection to the vulnerable rear corner areas

1963-1965 Muncie M20 M21 Manual Transmission Bearing Kit w/ Synchros (ZMBK117WS) shock-absorber The Injen IS Series shortDescription USA Standard Gear manufactures a full line of top quality transmission parts. You can count on USA Standard Gear to fulfill all your transmission, differential, and general replacement part needs.