STOCK HARNESS OUT OF VEHICLE IS REQUIRED TO BE SENT IN. THIS IS THE HARNESS THAT YOU ARE INSTALLING YOUR NEW ENGINE INTO.

OUR INTEGRATION HARNESSES ARE BUILT COMPLETELY CUSTOM TO YOUR ENGINE SPECIFICATIONS. THESE HARNESSES WILL RETAIN ALL FACTORY GAUGES, AIR CONDITIONING, ABS BRAKES AND CRUISE CONTROL WHERE APPLICABLE.

INTEGRATION HARNESSES DO NOT INCLUDE ANY ENGINE MANAGEMENT HARNESS. THEY ARE DESIGNED FOR THE USER WITH THEIR OWN STAND-ALONE OR HOLLEY EFI HARNESS.

ALL HARNESSES COME WRAPPED IN A BRAIDED SLEEVING FOR THAT ONE OF A KIND SHOW FINISH.

NOTE: THESE HARNESSES HAVE A LEAD TIME, PLEASE CHECK THE LEAD TIME PAGE LINK AT TOP FOR CURRENT LEAD TIMES. IF ADDING A CORE HARNESS LEAD TIME MAY INCREASE BASED ON AVAILABILITY.

NOTE: WHEN MAILING IN ORIGINAL HARNESS PLEASE REMOVE FACTORY BATTERY CABLE, FUSES/RELAYS AND FUSE BOX MOUNTING BRACKET. DO NOT SEND IN ANY FACTORY COMPUTERS.

NOTE: THESE HARNESSES ARE NON-REFUNDABLE