The Stage 4 VQ35 heads are for forced induction applications on Nissan 350z with high HP and flow through the heads. If you are rebuilding your bottom end it is a good idea to get your heads refreshed.
Package includes:
Products in bold are upgraded from previous stage
Tomei upgraded cams
Ferrea Oversize intake and exhaust valves
Ferrea Heavy duty valve springs
Ferrea Titanium retainers
Ferrea Valve spring locators
Ferrea Valve locks
Heads inspected and cleaned
Heads re-decked
Extreme ported exhaust and intake runners
Bowl work done
5 angle raidus cut valve job
New OEM valve stem seals installed
Valve stem heights set
Cold clearance set for cams
Heads prepped and assembled
VQ Heads Core Charge - we don't need your heads sent to us, brand new heads are supplied within the cost
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