O.S. Engines 71641800
For 21 class racing engines of T-type inner head. Use when atmospheric temperature is high.
FEATURES:
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For use with fuel containing 25% or greater nitromethane content
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Cold heat rating when outside temperature is high
INCLUDES: One O.S.RP8 glow plug
REQUIRES: Glow plug wrench, HCAP2550
SPECS:
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Overall Length: 17mm (.67")
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Thread size: M8x.75mm
COMMENTS: This glow plug is different from the conventional glow plug. It is made to fit the inner head of engines with a turbo-type cylinder head design.
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