This is Special Order Only Item
This Item has a $200.00 core charge.
SPEC: 1.48" intake, 1.15" exhaust, combustion chamber 21cc. Very modified 12G940 head, suitable for race applications and extensively modified big bore and long stroke engines.
All Longman heads are fully ported and polished and come assembled with Longman's exclusive valves, guides, springs and retainers.