This is the O.S. T-Series RP6 Medium Heat Range Turbo Glow Plug.
FEATURES: T-series glow plugs are ideal for racing car engines that create high RPM For .12, .15 and .21 size turbo head on-road...
This is the P5 Turbo Off-Road Very Hot Glow Plug from O.S. Engines.
FEATURES: Very hot plug for turbo cylinder head engines such as the O.S .21 VZ-B V-Spec and most .18 -.28 cu in (2.9 - 4.6 cc)...
This is the RP8 Cold Glow Plug from OS Engines for use on Most Turbo Head Racing Engines.
FEATURES: For use with fuel containing 25% or greater nitromethane content Cold heat rating when outside...
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...
This is the O.S. T-Series RP7 Cold Heat Range Turbo Glow Plug.
FEATURES: T-series glow plugs are ideal for racing car engines that create high RPM For .12, .15 and .21 size turbo head on-road racing...
This is the P3 Glow Plug for use in the OS Max .21 VZ-V Spec and most other .18 -.28 cu in (2.9 - 4.6 cc) turbo head racing engines.
FEATURES: Ultra Hot Type Plug, designed for reliable low speed and...
This is the P3 Glow Plug for use in the OS Max .21 VZ-V Spec and most other .18 -.28 cu in (2.9 - 4.6 cc) turbo head racing engines.
FEATURES: Ultra Hot Type Plug, designed for reliable low speed and...
This is the P4 Turbo Glow Plug for use in the OS Max .21VZ-B VSPEC and .21VZ-B Speed Tuned Engines.
FEATURES: For use with fuel containing 25% or greater nitromethane content Also works well