O.S. Engine P4 Turbo Glow Plug - Precision Ignition Plug  [OSMG2697]

Precision Ignition with the O.S. Engine P4 Turbo Glow Plug

The O.S. Engine P4 Turbo Glow Plug is intended for modelers who require consistent combustion behaviour. It is designed for the OS Max .21VZ-B VSPEC and .21VZ-B Speed Tuned Engines and performs best with fuels containing 25% nitromethane or more.

What Sets the O.S. Engine P4 Turbo Apart

Forged from sturdy metal, the P4 Turbo includes a slight taper at the bottom to secure a flush seat in the combustion chamber, helping to promote even ignition. Its medium heat rating is appropriate for demanding track and off-road conditions.

Advice on Selecting a Suitable Glow Plug

Choosing the right plug is important for idle behaviour and throttle response. The O.S. Engine P4 Turbo is best for experienced users running high-nitromethane blends; consult tuning guides or the engine instructions when evaluating plug options.