SlammedSS02

I have read that the yella terra 1.7 shaft mounted rockers are a slightly different size than the stock gm 1.7 rockers. I was wondering if this would cause any change in p/v clearance and if so would they give more or less clearance?

SlammedSS02

sorry i should have put this in internal engine, but feel free to answer.

Gold Z

iTrader: (3)

Both are 1.7 ratio so your pvc should not change.