50k and no never ck'd it was a summer cruiser and there were no mods on truck when i removed it...then guys bought new truck and made his old a drag truck and bought a head off me already done with rings new valves and springs
i also have a head of an 01 ho never been on since its been done..
new exhaust valves, new intake and exhaust seals,shims, complete valve job, o-ringed with 23g stainless and resurfaced.....taking offers