Filters
Holley EFI 555-100
Active Speed Management - HP/Dominator; Note: This requires ECU Serial ID to be input, this is located on the decal on the rear of the ECU.
Holley EFI 300-621-42K
LS1 (Cath) Ultra Lo-Ram Natural Kit with 102mm TB and 42lb injectors; LS1 (Cathedral Port) Ultra Lo-Ram Natural Kit with 102mm Sniper Throttle Body and 42lb USCAR (EV6) high impedence injectors
Holley EFI 558-451
CAN Adapter Harness, 12"; 12" Male to Female CAN Adapter Harness
Holley EFI 556-121
Cam Sync Kit, +600/1.0 inch Raised Cam; Big Block Chevy w/ +600/1.0 Inch Raised Cam Height, For external, dry timing-belt, cam drive systems
Holley EFI 300-140-120K
Gen V LT Hi-Ram Natural Kit with 102mm TB and 120lb injectors; Gen V LT Hi-Ram Natural Kit with 102mm Sniper Throttle Body and 120lb USCAR (EV6) high impedence injectors
Holley EFI 558-452
CAN Adapter Harness, 4'; 4' Male to Female CAN Adapter Harness
Holley EFI 556-123
Universal Cam Sync Systems; Early Model Small and Big Block Fords
Holley EFI 300-719-100K
Gen V LT Ultra Lo-Ram Natural Kit with 102mm TB and 100lb injectors; Gen V LT Ultra Lo-Ram Natural Kit with 102mm Sniper Throttle Body and 100lb USCAR (EV6) high impedence injectors
Holley EFI 558-453
CAN Adapter Harness, 8'; 8' Male to Female CAN Adapter Harness
Holley EFI 300-719BK-100K
Gen V LT Ultra Lo-Ram Black Kit with 102mm TB and 100lb injectors; Gen V LT Ultra Lo-Ram Black Kit with 102mm Sniper Throttle Body and 100lb USCAR (EV6) high impedence injectors
Holley EFI 558-461
Holley EFI Ford GT500 and 3V Drive-by-Wire Throttle Body Harness; 2005-2010 Ford Mustang GT and GT500 Models