So as most JK owners know the stock hood hold downs are CRAP! The stock rubber latches are very flexible and tend to stretch so much when driving at high speeds that the hood slaps up and down as much as an inch or so. Not good when driving through Kansas at 75 mph with a 30 mph head wind!
I found these Drake Hood Latches for a little over $100. They are high quality and use an adjustable turnbuckle and stainless steel heims with a quick release pin on a lanyard.

Installation took about 45 minutes and now the hood is nice and tight. Plus they look bad ass! I would also think they might help with gas mileage on long trips as the wind no longer catches the under side of the hood.

I would highly recommend these to anyone that owns a JK or wants a custom hood latch for their rig. Very nice product!