Intake racing valve x 12. Exhaust racing valve x 12. Intake valve (mm): Head Dia 38.15 + 1.0 / Stem Dia 5.96 / Length 96.60. Exhaust valve (mm): Head Dia 32.35 + 1.0 / Stem Dia 5.97 / Length 94.00. and exit the combustion chamber as the valve extends.
