OS Max 25 FX Control Line or Free Flight Rigid Valve Conversion Kit 8.0 mm

OS Max 32 SX Control Line or Free Flight Rigid Valve Conversion Kit 7.5 mm

OS Max 32 SX Control Line or Free Flight Flex Needle Valve Conversion Kit 7.5 mm

OS Max 32 SX Control Line or Free Flight Flex Needle Valve Conversion Kit 8.0 mm

OS Max 25 FX Control Line or Free Flight Flexible Needle Valve Conversion Kit 8

OS Max LA FP 15 Control Line Conversion Kit w Rigid Needle Valve Assembly 5.9 mm

OS Max 25 Early Baffle Piston Control Line Conversion Kit Rigid Needle Valve L

OS Max 35 Stunt Baffle Control Line Rigid Needle Valve Conversion Kit 7mm