CR80/85   Kit includes
1 head body, 2 domes, 1 o-ring kit
4 acorn nuts, 4 copper washers

Order your kit from parts listed below

1992-2008 Head body

OS10 o-ring kit fits all years

52mm head gasket kit (optional)

Dome selection
H01 or N01   8.2cc
H02 or N02   7.6cc
H03 or N03   7.1cc
H04 or N04   6.4cc

Note
Heads colors are red, blue, black, gold and aluminum
H01 dome is closest to stock compression
H0 series domes use o-ring seal, the max bore is 50.5mm
N0 series domes have no o-ring groove use head gasket the max bore 52mm
52mm head gasket kit optional for kit
Dome modification for big bore available see FAQ