Don't use a universal set of crimpers and hope for a good connection. Using the right tool makes the difference between a good job and a great job; especially when crimping electrical connectors.
MSD 3509 Wire Crimping Tool Die, Weathertight Terminal Die @ Speed tech
*NEW* MSD 81715 - 4-Pin Weathertight Connector PACK OF 10
MSD Ignition 8174 1-Pin Weathertight Connector
MSD Ignition 8173 2-Pin Weathertight Connector
