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Discussion Starter · #1 ·
I know the HKS Step 1 and tomei poncams are 'drop in cams'

But wanted to know what other work is required to run step 2/3 cams?

I want the step 2's, I currently have wossner forged pistons. I know p2v clearance will need to be checked and also the head will require machining to allow the lobes to clear and then they will require timing correctly.

Will the valves, springs etc need to be upgraded?
 
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