Pair of Straight Bolt-on Aluminum Hood Louvered panels. These Aluminum louvered panels have radiused corners and mounting holes. These are designed to be bolted on (with included hardware) with the holes already punched. They are made from .050" thick aluminum. The 7 louvers are 4 " wide and 3/8 tall to get the most hot air out of that engine compartment. This Panel is 6" wide and 11" tall. Included mounting hardware is 3/4" long Stainless Steel 1/4-20 Button Head Machine bolts with self locking nuts (you don't have to mess around with lockwashers) We also include the 5/32" allen wrench!