WTT ARP head studs

I got B16 headstuds for Christmas and they won’t work on my b18c so does anybody have b18c’s they wanna trade or does anybody wanna buy my b16’s? They’re brand new still sealed so that’s what I want to trade for. You can pm me email delanceykw@washjeff.edu or call me at 412-613-9478 if you have an offer. the ones i have are code 208-4601 and i need 208-4303. The ones i have will fit b16, b17 and b18c5 which is the type r.

Why dont you return them and get the correct ones… then you wont lose any money.