Fully rebuilt Standard Cylinder Heads.
New waisted stem valves, Shortened Bulleted Hi-Flow Guides, STD springs, seats recut, acid dipped, bead blasted, refaced and pressure tested. Fully assembled .
These heads flow better than the standard heads as the valves are the waisted stem design and to match, bulleted shortened reprofiled guides are used. Valve stems seals are the later neoprene type which offer superior oil control.
Vacuum tested for valve seat leakage, surface finish to lower Ra than factory heads for improved sealing and ultra-sonicaly cleaned.
Exchange surcharge applies or send us your heads for machining if suitable.