#150ZF6F Ziroli F6F Hellcat Rotating Retracts
#150ZF6FE Ziroli F6F Hellcat Electric Rotating Retracts
#157VR Large VR Air Kit
#157VRX Large Deluxe VR Air Kit
#160C Retractable Tailwheel Electric Conversion Actuator
#160WC Pneumatic Retractable Tailwheel w/Fork
#160WCE Electric Retractable Tailwheel w/Fork