O.S. Hobby RC Motor/Engine, Exhaust & Fuel System Parts & Accessories for Nitro & Glow Fuel Cars, Trucks & Motorcycles
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Review highlights
Recommended by our customersSolid little plug
By bes-etha
As has been the case with every other OS plug I own these continue to be my go-to for consistent tuning, excellent perfo... see all reviews
Verified PurchaseGreat race plug
By pkir7947
I only run these plugs when I decide to go from my 25% nitro to 30% I only run those two percentages I run the OS brand ... see all reviews
Verified PurchaseGood glow plugs, Martha, where did you get that hat !
By tomkenaf
I love all three of them equally. It could be years before I use them. see all reviews
Verified PurchaseWould recommend these or other os plugs for your nitro engines
By harol.trame
Been using #8 for years on 10% to 30% nitro. Plugs are very durable and long lasting. Good idle to full throttle range ... see all reviews
Verified PurchaseGreat product.
By ebony.8715
All OS products, in my opinion, can only be classified as, "EXCELLENT". In recent years I have seen so many of the great... see all reviews
Verified Purchasevery good Piston Ring
By phatvu11
It is a good Piston Ring, it is fit exactly into the piston see all reviews
Verified PurchaseNO IGNITION needed ......... just this GAS GLOW plug!
By patana_9
If you are one of those who wants to use GAS engine without IGNITION system (for its simplicity and weight savings), thi... see all reviews
Verified Purchase
