Blade Tail Motor 120 S BLH4113 is compatible with BLH4100, BLH4180

Blade Tail Assembly with Motor: 70 S BLH4203 is compatible with BLH4200

Blade Main Motor: 70 S BLH4205 is compatible with BLH4200

Blade Tail Blades (4): 70 S BLH4207 is compatible with BLH4200

Blade Landing Gear (2): 70 S BLH4208 is compatible with BLH4200

Blade Blade Grips with Hardware: 70 S BLH4215 is compatible with BLH4200

The OS Max #F Glow Plug is Designed Especially for OS Max (and other brands of) Four-Stroke Engines. Specially shielded long-reach plug.