Hey guys,

I got jd performance A-arms with 04 ball joints on them... im going to "bore" out my spindals and such to the correct size since I got an 05 Could you guys give me the correct hole size/ drill bit size? so i dont bore them out to big....

thanks for the help!

Dont even try it, not worth it, get different knuckles or different ball joints i just went through this.

What went wrong when you tried it?

Seems like its a simple task to bore them out?

get a set of calipers (not brake calipers) and measure the ball joint where it goes in the hole. make your hole slightly bigger. you can also get a used set of knuckles off ebay pretty cheap. i thought i saw some the other day.

yea... i feel kind of dumb right now... I SLIGHTLY forgot my bro has a 2004 z400... so ill just measer his and go according... if for some reason it doesnt work I know I can either buy ball joints or just have 2 different sizes of spindals...

wouldn't I need to buy specific knuckles for them to fit the "JD performace" a arms

There Tapered thats why its a PITA. You'll always have trouble.

i but 03 HDUSA arms on my 05 i had to make the hole bigger in the knuckle for them to work and havent had an issue yet.. i jump alot and they havent moved or failed in the slightest.