Quote: Those restrictors have been used in chevys for a long time and are readily available from several sources. I have used them in pushrod oiled mopars before, only needs minor modifications to make the chevy stuff work. http://www.summitracing.com/dom/parts/sum-120120/overview/
As stated above, been used since the beginning of time in Chevies. Its a simple deal. There ARE several different version of them, so be careful if re-ordering. There are early and late style ( depends on the Chevy block). There are different thread version as well. I would suggest getting some extra o-rings for them, as they do have a tendancy to rip or tear coming in and out. No biggie, just keep some spares on hand.Make sure if this happens, you get your little dental pick and get ALL of the oring out. Some are internal hex drive, others are external hex. Your preference. MAKE SURE you lube up the o-ring before installing, and usually a gentle twisting turning motion to help the oring seat.
RIP Monte Smith
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