Features:
High compression version
Includes the copper gasket
Brand new Current Production item

Cox glow heads require 1.5 volts to light up

Application:
All Cox .049 Killer Bee engines
All Cox .049 Venom engines
All Cox .049 Tee Dee engines
All Cox .050 Tee Dee RC engines
All Cox .051 Killer Bee engines
All Cox .051 Tee Dee engines
Can also be used on most post 1956 Cox .049 reed valve engines (increases performance)
Can also be used on Cox .049/.051 Medallion engines (increases performance)