Holley HP EFI ECU & Harness Kit (HO550-602)
SKU: 13553627386

Holley HP EFI ECU & Harness Kit (HO550-602)

$2534.85 $2816.50
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Description

Holley HP EFI ECU & Harness Kit (HO550-602)HO550 602 HP EFI ECU WITH HARNESS Suit LS1 LS6 (24x Tooth Crank Sensor) Part Number: HO550 602 Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water meth? This HP EFI kit can control that too! Stop reflashing your factory ECU every

HO550-602 - HP EFI ECU WITH HARNESS

Suit LS1/LS6 (24x Tooth Crank Sensor)

Part Number: HO550-602

Looking for a plug and play kit for your GM LS engine? The HP ECU allows you to accurately control the fuel and ignition of your engine plus much more! Got a stock LS engine? Simply download a base map and you're on your way. Got a turbocharged, nitrous fed LS engine on water/meth? This HP EFI kit can control that too! Stop re–flashing your factory ECU every time you make a performance modification. Get Holley EFI today!
FEATURES:
Simple Installation - Plug and Play control of GM LS1/LS6 engines. Just plug the harness into your factory sensors, wire the power and grounds and you are ready to take complete control of your LS engine
More Functionality - Provides significantly more functionality than OEM or other competitive ECUs (boost control, nitrous control, water/meth injection, plus a host of additional inputs and outputs to control fans, pumps, relays etc.)
Easy To Use - Laptop programmable ECU includes a variety of base maps that will have you hitting the cruise or track in no time
Ideal For Everything - including stock 5.3L engine swaps or all out, 3,000+ horsepower race cars that need a simple and powerful ECU and harness solution
Industry Leading Self Tuning Fuel Strategy - means less time tuning and more time enjoying the power of your LS vehicle
Kit includes ECU, harness, communication cable, software and and Bosch wideband 02 sensor designed to be used with GM LS1/LS6 engines with factory GM coils and a 24 tooth crank sensor
ECU is fully potted and can be mounted in the engine compartment or interior
Sealed automotive and marine grade connectors
1-5 Bar MAP sensor capability
Optional plug and play hand-held programmer, 5.7" touchscreen and digital gauges are available for ultimate control and vehicle monitoring
ECU is certified to ISO 8846, SAE J1171 & United States Coast Guard Requirements for Ignition Protection & Fire Resistance

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 13553627386

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4.1 ★★★★★
Based on 628 reviews
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Verified Purchase
Amie Kuo
Louisville, US
★★★★★ 4
Nice Lightweight Case with a Handy Pencil Holder
Color: Sky Blue
I received this 11-inch / iPad 10th Generation 10.9" case with Pencil Holder in Sky Blue through the Vine program, and overall it’s a nice, practical case. The sky blue color is very pretty—soft and clean looking without being too bright. It gives the iPad a fresh look and feels nice in hand. The fit is good for the iPad 10th generation, and the soft TPU back makes it easy to install while still feeling secure once it’s on. I also appreciate the built-in Apple Pencil holder. It keeps the pencil from rolling around or getting lost in a bag, and it’s easy to access when needed. The trifold stand works well for basic viewing and typing angles. It holds the iPad steady when watching videos or browsing. However, the folds can feel a little less firm than some higher-end cases, so you sometimes need to position it carefully to keep the angle just right. I do like that the case stays slim and lightweight, so it doesn’t add much bulk while still offering decent everyday protection. Overall, it’s a good, functional case with a nice color and useful pencil holder. It may not feel quite as premium as some more expensive options, but it does the job well and is a solid choice for everyday use.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 16, 2026
D
Verified Purchase
Debby hall
Dallas, US
★★★★★ 5
Ipad
Color: Sky Blue
Quality is amazing , fit and color. The price CANT be beat.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 25, 2026
Verified Purchase
🪽
Louisville, US
★★★★★ 5
Great for iPad kids👍
Color: Sky Blue
I bought this in 2023/2024 and it's still intact and usable after hundreds of food stains and me accidentally dropping it. Thank you for protecting my iPad, very great product. Otherwise, my mom would've beat my ass for breaking the iPad. PSA, the case looks the same as the picture😛
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Reviewed in the United States on May 28, 2026
A
Verified Purchase
Austin & Bre
Natrona Heights, US
★★★★★ 5
Great case for the price! Love the color!
Color: Sky Blue, Color: Sky Blue
I’ve had this case on my iPad (A16 11th gen) for a few months now and it’s held up really well. It still looks good with only a few minor scuff marks, which is expected with regular use. The front cover has a slight magnetic feel, so it stays closed nicely, and I like that it folds back to prop the iPad up for watching or typing. It’s not super bulky but still gives good protection. Also has a pen holder spot on the side! Overall, it’s a great affordable option if you want something simple, functional, and durable without spending a lot!
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Reviewed in the United States on April 13, 2026
S
Verified Purchase
Shanise
Draper, US
★★★★★ 5
Cute
Color: Purple
Fits like a glove Lightweight and well made easy to hold not slippery. Looks very clean and seemless. Worth every cent
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026

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