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Acorn bulge it the wider seat on left, acorn is on right. Both have 60 degree conical seat. If you are buying for aftermarket wheels you probably want acorn, but for OEMs you want acorn bulge because the acorns concentrate the clamping force over too small a surface area.

I think Gorilla uses the term acorn bulge. Some other brands call it acorn flare I think. I think McGard is a great brand, I don’t care what brand you get.
Makes sense now, good info! I’ll be using these for aftermarket wheels, so the regular acorn is what I’ll be going with.


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Anyone got a solid 1/2 drive deep socket the recommend? My torque wrench is 1/2in and I really don’t wanna buy another just for lugs. Quick google didn’t show any 12/in drive to 19mm or 3/4inch sockets for taking the lugs off. Stock lugs
Follow up to that^ does anyone who already has a set of gorilla know what’s size socket they need?
 

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And any thoughts in titanium compared to steel? Daily use.
 

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I got my McGard nuts and locks installed today. Great quality and fit perfectly to the forged OEM wheels and to my 19mm no-mar Koken wheel sockets.

This is the part number (#84538) for the black chrome set with 16 nuts and 5 locks:
View attachment 321090

This is how they look installed:
View attachment 321092
how did these hold up for you long term?
 

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McGards lugs. Can't believe changing the chrome to these black ones would make such a difference! Love them. Hope they last:



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how did these hold up over time?
 

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I know everyone is going for aftermarket lug nuts. However, does anyone know what the OEM lug nut part number is for the RS?
 

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how did these hold up for you long term?
They are holding up fine. Have been having problems with wheel balancing after changing tires and a brake service. They've seen at least 4 wheel change cycles at 4 different places with who knows how good suckets and pneumatic pistols and they look like new.
 
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