MSD Ignition 3-Pin Weathertight Connector Features: Unaffected By Water and Chemicals Unaffected By Vibration and Dirt Withstands Temperatures From -40 to 257 deg. F Special Nylon Material Indexed To Prevent Mismatch Each Terminal Has Own Tower Self-Lubricating Silicone Seals Positive Locks w/Click Height: 5.00 Width: 1.50 Length: 3.50 Weight: 0.10 lbs