The 3RACING Crawler Ex Real 2 Speed Transmission Housing (CRA-109) is a race-focused component aimed at improving transmission predictability under load. Manufactured to suit the 3RACING Crawler Ex Real series, it assists drivers in achieving more repeatable gear engagement during timed runs.
For tuning, verify gear mesh and test under representative load conditions to dial in the best engagement. The housing supports regular racing schedules when fitted and maintained correctly.