O.S.

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 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...

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...

The O.S. #6 (A3) glow plug is similiar to the #8 plug only more economical. FEATURES: Hot heat range plug for most model engine applications. Works well in any two stroke engine from .10-size to .60...

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