Holley EFI HP EFI ECU For Complete System - Wideband Oxygen Sensors / Main Wiring Harness / Injector Wiring Harness / Ignition Adapter Harness and Accessories Required Driver Suit Pants They're big on performance

They're big on performance

Light pedal effort

LS to GM F-Body 1975-81

Replaces Clevis Brackets found in C2031 Magnum Series Diagonal Link (5/8" mounting) and C2052 Bolt-On Diagonal Link (3/4" mounting)

Holley EFI HP EFI ECU For Complete System - Wideband Oxygen Sensors / Main Wiring Harness / Injector Wiring Harness / Ignition Adapter Harness and Accessories Required Driver Suit Pants They're big on performanceHolley 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