Bought three to replace my original PA50-II seals - all three of them leaked badly. They were also a bitch to get out, since there isn't a good metal ring in the front face. The old "put in a drywall screw and pop it out" just ended up tearing up the seal.
Bought some OEM seals from my local Honda dealer for the exact same price, arrived in three days - put them in, sealed like a beauty first time.
Don't waste money one these ones, get yours from Honda OEM.
EDIT TREATS : SORRY BUT THESE ARE OEM SEALS, SO YOUR REVIEW DOES NOT REALLY MAKE MUCH SENSE. WE HAVE SOLD BAGAZILLIONS OF THESE AND IF YOU ARE HAVING ISSUES WITH SEALING YOUR ISSUE IS ELSEWHERE, NOT THESE SEALS AS NO ONE ELSE IS HAVING ISSUES. IT'S A SEAL.
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1 taco eaters like this review
Exactly what it's supposed to be
June 22, 2014
taco eater :
Anonymous Person from BC Canada
Good for the flywheel side on all PA50s, good for variator side with older-style "narrow" shafts on older PA50s. Kits and newer cranks are beefier and need a bigger seal on the vario side.
No good for bone stock PA-50II 
Exactly what it's supposed to be