Air Cooled 911 Head Rebuild Style:Single Head The blue backlight provides excellent

The blue backlight provides excellent viewing for both daylight and nighttime usage

valves are often worn and valve spring shims are sometimes needed

fully programmable LCD digital dash for use in a variety of motorsports

Up to 24 different sensor inputs may be displayed on a total of four programmable pages

Air Cooled 911 Head Rebuild Style:Single Head The blue backlight provides excellentRebuild Air Cooled 911 Heads. Includes: Clean + Disassemble Heads Vapour Blast Heads Ultrasonic Clean Heads R&R Valve Guides Hone Valve Guides to Size Cut Valve Seats, 3 Angle Grind Valves Surface Head Set Valve Spring Preload Assemble Heads Does not include parts. Valve guides are always required, valves are often worn and valve spring shims are sometimes needed.