Got a solid roller for a sbc. Has a UD (ultradyne? ) stamped on one end. Also has # 300/307 above 17/19 then R6 and A4203. Can anybody help me out? Just want to know what I have.
There's an R6 shown here, maybe check the lift and match it to the advertised specs.
Thanks Ron,I was able to match the lobes to two on that chart so I now have an idea what it is. If it had more lift it would be what I am looking for to go in a 383 project I am working on.
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