Valve springs??
#5
RE: Valve springs??
You'll deffinately get more out of a 1.6 roller rocker with that cam than the stock regular 1.5 rockers. You need the springs so you don't get valve float, just get the whole LT4 hotcam kit. You shouldn't have to replace the lifters since it's a full roller assembly, so I woudln't worry about them.
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