Big Valve Heads - 94mm Bore 40mm x 35.5mm (S/S Valves)

Big Valve Heads - 94mm Bore 40mm x 35.5mm (S/S Valves)

These new heads are manufactured identically to the original 040 castings from years ago.

These are complete with 40mm stainless intake and 35.5mm stainless exhaust valves, heavy duty single springs, Cro-moly retainers and hardened valve locks.

These new heads use the 12mm x 3/4" reach spark plugs, have stock intake and exhaust ports and have a 53cc chamber size already bored for a 94mm piston.

Lash Caps are required in all cylinder head applications that have Stainless Steel Valves.

Sold as a pair