All OS products, in my opinion, can only be classified as, "EXCELLENT". In recent years I have seen so many of the great companies that made RC what it was for so many of us, fade into history. Very sad. Hang in there OS.
Verified purchase: Yes | Condition: New
exact fit for my os engine makes tuning easy
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Verified purchase: Yes | Condition: New
A high-quality product.
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works best on my Rossi .53 glow engine and perfect for my Moki 1.35 and 1.80 engines.
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These plugs are good, and live up to their reputation.
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exactly what I needed
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They work great, good product
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just what I needed for my engine.
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Thanks again for those plugs we are number one
Verified purchase: Yes | Condition: New
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