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Dthemi thanks for the advice, I know this is my last set of speed pros. Do Akerly and Chids make a ring package for NOS use.



Yes they do, and it's the same ring as a hell fire, and they have numerous "trick of the week" nitrous stuff to play with too. They have evrything I've ever wanted, tool steel, stainless, gapless, dykes, barrels, iron, moly, and on and on. Plus when you have to go to a weird bore size they'll test different ring sizes to get you the best radial tension for your application. Speed pro makes a fantastic ring for sure, but tech isn't as readily available as A+C.