Female 4 pin plug, push to seat. These are high quality reproduction connectors to suit OEM LS2 LS3 LS7 LS9 L76 L98 D581 D585 D510C D514A ignition coils.
Also cross references with Part Numbers CPS-051
Suits D581 D585 D510C D514A GM 19005218, 10457730, 12570616, IGC326 & IGC331 ignition coils