O.S. (#R5) - O.S. R5 Glow Plug (For 21 Class Engine) - 71605200
O.S. has now introduced new glow plugs that are more suited to rigors of R/C car racing.

FEATURES:

Designed for high nitro fuels. (25% +)
Increased durability at high RPM.
Durability under extreme temperatures.
Allows for "leaner" needle settings for higher power
and quicker throttle response.
This plug is most suited for 1/8 scale, .21 gas powered on-road
racing.

INCLUDES:

One #R5 glow plug.
One brass gasket.