JP Racing FX21 .21 Nitro Engine O-ring For Rear Cover - F14001

JP Racing FX21 .21 Nitro Engine O-ring Sealing For Crankcase/Carb - F14002

XTM SH 21 or 28 nitro engine backplate O ring.Fits metal and plastic backplates.

XTM SH Force, Mach 21 or 28 nitro engine Carb O ring. Fits all .21 & 28 Engines.

HPI Racing Nitro Engine One Way Bearing. 12mm or 14mm. F5.9 F4.6 F3.5 S25 21BB

Vintage OFNA Racing Nitro Engine Mount Screw Kit (3mm) [10115]

JP Racing FX Series 3.5cc Nitro Engine Outer O-Ring For Carburetor - F11019

JP Lock On Glow Plug Start Igniter Clip Short w/Banana Plugs for RC Nitro Engine