ICT Billet WPCIL31 Features:

Ignition Coil Harness Pigtail for LS1 Camaro D580 4-Wire Connector

Assembled in Wichita, Kansas with USA made OEM grade TXL wire

• Sealed, crimped and assembled in Wichita Kansas, with USA made, OEM grade, TXL wire
  
• Compatible with 1998-2002 LS1 Camaro ONLY (D580 Coils)
• Includes: 1 pigtail w/ 6 inch wire leads
• Assembled with OEM tooling, OEM Delphi (connector, lock, seals, and terminals),(uses OEM harness wire colors)

Don't take a chance with cheap wire connectors, that use poor quality (wire, crimps, twisted/bent/unseated terminals) and have conductivity issues that will cause your engine to run poorly and be difficult to diagnose.