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 Rigid Valve Conversion Kit 8.0 mm

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

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

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

OS Max LA or FP 15 Control Line Remote Conversion Kit for Original Needle Valve

OS Max 25 FSR Twin Ball Bearing Control Line Conversion Kit Flex Needle Valve

OS Max 35 Stunt Baffle Control Line Flexible Needle Valve Conversion Kit 6.0 mm