i'm about to put valve stem seals in my obdo b16a, i'm trying to buy them from here: http://www.hondaautomotivepart...EC%29 but there are two differant ones. one is labeled nok and the other is labeled apar could someone tell me the diferance ? also which ones i need thanks

 

Looks like they just have 2 dif manufactures for the part. Just get 16 of the same kind.

 

okay thanks i was'nt really sure what it was,