Posted By: pittsburghracer
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What roller wheel diameter are they? I may have some like that, I think they offered both .750 and the bigger .820, but I'm not sure
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87019-16 is the complete set PN. Consists of 8-87016C,4-87017L and 4-87018R. I used them in a FBS headed engine a while back and I think the PNs were different and you had to buy them all separate.