Intake racing valve x 8. Exhaust racing valve x 8. Intake valve (mm): Head Dia 35.00 + 1.0 / Stem Dia 6.57 / Length 109.60. Exhaust valve (mm): Head Dia 31.50 + 1.0 / Stem Dia 6.54 / Length 109.60. and exit the combustion chamber as the valve extends.
