Jeep AX5 Transmission 5 Speed 1-2 Shift Collar Slider & Reverse Gear AX5-36 The AX5 has a cast iron center plate and is used behind the 4 cylinder engine. If you need any additional parts for your AX5 transmission rebuild; Bearing kit, cluster gear, forks etc. Please see our store. This input shaft is in stock now! Ready to ship!