Holley 550-406 Terminator EFI 4bbl Throttle Body Fuel Injection System
- This item ships directly from the manufacturer. It may take an additional 10 business days for Holley to ship this item.
- Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
- This item ships via Ground Shipping only. Expedited and Air shipping options are not available.
An EFI System so easy and powerful You'll think it's alive! Simply bolt it on, feed it a few basic answers and let Terminator EFI take control of your ride! Easy to install No computer experience required - Handheld tuner included - Simple multiple choice set-up wizard Self-tunes while you drive Upgradable to complete laptop control without buying another ECU Carburetor replacement EFI from the fuel systems experts!
- Fully self-tuning ECU - No laptop required
- Trouble-free performance with today™s fuels - put an end to vapor lock and fuel varnish problems!
- Terminator ECU can be EASILY updated to Holley HP ECU specs with a free online software download. ECU can then be used for LSX, boosted, nitrous, and many other applications in the future as you desire!
- ECU fully potted and sealed for protection from vibration, dust and moisture
- Provides ignition timing control on engines with Small Cap HEI and Ford TFI distributors (requires adapter)
- 80 lb/hr injectors support 250-600 HP engines
- Fits any square (Holley 4150) flanged intake
- Connections for Ford, GM TH350 and 700R4, and other transmission linkages
- Serviceable sensors integrated into throttle body and pre-wired for a simple one-click connection - don™t get stranded by competitive designs
- Patent pending annular discharge fuel ring for maximum flow and optimum fuel atomization - No restrictions or delay in fuel flow like booster designs
- 950 CFM Throttle Body with CFD computer designed air-entry area taken from Holley™s famous NASCAR® throttle body - as found on all NASCAR Sprint Cup Series cars
- Virtually maintenance free - keeps your vehicle reliable and ready to drive
- Self-tunes instantly to deliver the perfect air/fuel mixture in real time for optimized fuel economy and power
- Industry leading tech support - free!
More Like This
Holley 550-405 Terminator EFI 4bbl Throttle Body Fuel Injection System
Holley 550-500 HP EFI Universal Retrofit Kit
Holley 550-501 HP EFI Universal Retrofit Kit
Holley 550-700 SB Chevy Mutli-Port Pack Kit for Early/Late Heads
Holley 550-706 BB Chevy Multi-Port Power Pack Kit, Tall Deck
Holley 550-707 SB Chevy Stealth Ram Multi-Port Power Pack
Holley 550-710 SB Chevy Polished Stealth Ram Multi-Port Power Pack
Holley 550-811 Avenger EFI 4bbl Multi-Port Fuel Injection System
Holley 550-816 Avenger EFI 4bbl Multi-Port Fuel Injection System
Holley 550-820 HP EFI Stealth Ram MPFI Fuel Injection System V8
Q & A
Speedway Motors employee Pat O. is back to talk about a cool little nostalgic piece now available at Speedway Motors, our Fiberglass Tunnel Ram Shark Scoop.
Speedway Motors employee Pat O. is back with Dave's 1951 Chevy Truck project to talk about the 1947-1954 Chevy Truck EFI Fuel tank available from Speedway Motors.
Speedway Motors employee Pat O. takes some time to discuss the Fuel Gauge Interface Module that allows you to use any gauge set with almost any fuel level sending unit.
Speedway Motors and Classic Trucks built a 1952 Chevy truck in celebration of the 65th anniversary of Speedway Motors. Check out the short video on one of the products used in the build.
One of the most important parts of your racing operation is the engine. This article gives a detailed overview on how to maintain your engine to get the most out of it for as long as possible. Also learn some tips to prolong the life of your engine.
A routine weekly maintenance checklist to perform between each race in order to keep a clean and efficient race car at the track.