Panhead assembled cylinder head set

Fully assembled Panhead style cylinder head set. Great to breathe life into a tired Panhead or to build a new custom Panhead engine. Comes with Panhead exhaust and larger Shovelhead intake valves for improved breathing. All valve guides are cast iron for best longevity, valves are nitrated and valve seals are used on all valves. Complete with springs and collars that allow a maximum valve lift of .425". The aluminum casting are OEM style with stock O-ring type manifold intake and stock exhaust ports. Max lift is .425". - Assembled heads - Cast iron valve guides - Nitrated valves - Valve seals on all guides - Maximum valve lift .425" - Panhead intake valves - Shovel exhaust valves - 75-up Shovel long reach style spark plugs - Used with OEM style Panhead headers - For O-ring style manifold / Fitment: 55-62 FL Panhead (NU)