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As has been the case with every other OS plug I own these continue to be my go-to for consistent tuning, excellent performance and unusually long life. Even a rich tune will have difficulty fouling these plugs. I don't know the first thing about a race tune, but as a basher, these plugs are exceptionally forgiving.
Verified purchase: Yes | Condition: New
Works great year round. CA/SD/92115 Installed on HPI G3.0 nitro engine #101310. Also using Bones Brew 20% nitro fuel On chassis of Rc10gt2 This Rc vehicle Rips thru clouds like charge lighting bolt. And also last longer than any glow plugs I used in the past.
Verified purchase: Yes | Condition: New
OS Makes real good R/C glow plugs that last years in my nitro engines.
Verified purchase: Yes | Condition: New
OS glow plugs last a long time, and I consider them the best plugs made.
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These are very hot glow plugs and last a long time. These are the short ones, using in Cox engines with conversion glow heads.
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
Good product
Verified purchase: Yes | Condition: New
Verified purchase: Yes | Condition: New
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