This head package is designed for engines making 800hp. The intake and exhaust ports are CNC ported and opened up to match the +1mm valves. Combustion chambers are CNC machined to match an 87mm bore. Here's a break down of the head.
Labor:
Disassemble
Sand Blast
Remove/Drill/Tap/Replace Oil Port Plugs
Machine for Threaded Freeze Plugs
Stage 3 CNC Port and Chamber
Notch for Cam Clearance
Machine for RB26 Head Studs
Remove, Reinstall, Ream Valve Guides
Valve Job, Race
Set Valve Lash
Resurface Head
Assemble Head
Parts:
Supertech Intake Valves, +1mm
Supertech Inconel Exhaust Valves, +1mm
Supertech Bronze Valve Guides
Supertech Single Spring Kit, 85lbs
Supertech Titanium Retainers
Supertech Valve Seals
Mazworx Threaded Freeze Plugs
Misc Plugs
Need:
Core Head
Valves Spring Seats/Keepers