24x/1x LT1 Bundle - Holley HP for Universal LT1

This 24x/1x LT1 Bundle is for installing a Holley HP ECU into any vehicle that has a transplanted LT1/LT4 engine. The bundle includes the following items (also shown below in the Replacement Parts section):

• 554-113 Holley HP ECU
• 558-308 Holley Main Power Harness for Holley EFI ECUs
• 558-200 Holley V8 Over Mainfold Bosch Style Injector Harness (EV1)
• 554-101 Holley LSU4 Wideband Oxygen Sensor
• 558-102 Holley LS1 Engine Main Harness
• 120-00067 EFI Connection 24x/1x Crank/Cam Signal Hardware for LT1 Engines
• 100-02350 EFI Connection LT1 Adapter Harness Bundle for Holley EFI

IMPORTANT! 1992-1995 LT1 engines will require a GM 1996-1997 LT1 timing cover or an EFI Connection billet aluminum timing cover. Timing cover not included.