Silver Anodized Aluminum Secure Racing Hood Lock Ring Pins Kit 100% Brand New and Never Used, Will Fit Any Type of Carbon Fiber Hood or Fiberglass Hood These locking pins keeps light weight hoods from vibrating while driving or cornering. Ideal for Carbon Fiber or OEM Fiberglass hoods. Drilling is required to fit the pins correctly to the hood. Base threaded pin measures 5.6" in length. (Available thread = 3.6")