Includes needle spring
Brand new Current Production item
Application:
Babe Bee - Golden Bee - Black Widow - QRC - QZ - QC - Venom - RR1 - Space Bug - Space Bug Jr. - Strato Bug - Thermal Hopper
All Cox .049 Engines with 5cc or 8cc fuel tanks
Not suitable for engines without fuel tanks (but will fit Thermal Hopper)