The Stovebolt Site Forums The Shop Area Driveline SM420, earlier vs later

There two snap rings, one on either side of the hub. You can only see the 'inner' one through the clutch key holes. It's the same size as the outer one and it just barely touches all three keys. I'm just concerned that it might slip off of one and cause the key to fall out. It would only be about 3/8" movement to expose one key...