If are looking for the absolute best value in a LS1 type of wiring harness then look here.
LT-1 Fuel Injection Wiring Harness
LT1WiringHarness.Com provides a great wiring harness for a fantastic price. www.LT1wiringharness.com
www.LS1 Wiring Harness.com
LS1 Generation 3 and GEN 4 wiring harnesses available from LS1WiringHarness.com