Hello,

I'm dumb, and I stripped crankshaft thread. Now I can't get the flywheel on... well, I could but not safe. I have 2 options. use a used crank or use Helicoil to repair the threads on the crank. I need help with the correct Helicoil to buy to insert into the end of crankshaft threads. Does anyone have a part number for me?

I will be buying new flywheel arp bolts [part#: 254-2801] to go along with the newly tapped threads. and only 2 threads are damaged, should I be worried about balancing issues now?

1990 300zx TT.

 

found them.
Helicoil #5542-10.. I installed them already. that was hard.. that steel is hard.

 

do not use the arp bots, use OEM after new threads because the OEM have a tapper on the tip that allow some wiggle room to catch the new threads.