Holley EFI HP EFI ECU For Complete System - Wideband Oxygen Sensors / Main Wiring Harness / Injector Wiring Harness / Ignition Adapter Harness and Accessories Required 23013C Side B is AN-10 hose

Side B is AN-10 hose end

2007-2008 GMC Sierra 1500

Specifically designed to each vehicle

These heads are available in three heart shaped combustion chamber sizes

This Electric Pressure Control Valve Kit is for a discharge/refill of 35-40 PSI

Holley EFI HP EFI ECU For Complete System - Wideband Oxygen Sensors / Main Wiring Harness / Injector Wiring Harness / Ignition Adapter Harness and Accessories Required 23013C Side B is AN-10 hoseHolley HP EFI ECU 554 113 For Complete System Wideband Oxygen Sensors Main Wiring Harness Injector Wiring Harness Ignition Adapter Harness and Accessories Required Multiple Staged Injector Strategies 12 Channel DIS Outputs Capable Of Directly Driving Smart Ignition Coils Integrated Electronic Transmission Controls Works w NTK Or Bosch Sensors Can Control 2 Drive By Wire Throttle Bodies 4 Stage Progressive Nitrous Control Unlock your Engines Potential