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Free Shipping Holley Efi Terminator 550-609 Ls Mpfi Kit W/ Transmission Control For Gm Ls1/ls6 Engines With 24x Crank While Supplies Last [38qvejMX]

$149.99 $479.99 -69%

Holley EFI Terminator 550-609 LS MPFI KitIntroducing the Holley EFI Terminator 550-609 LS MPFI Kit, a game-changer for GM LS1/LS6 engine enthusiasts. This advanced kit brings the power of Terminator self-tuning EFI to your vehicle, providing complete

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Free Shipping Holley Efi Terminator 550-609 Ls Mpfi Kit W/ Transmission Control For Gm Ls1/ls6 Engines With 24x Crank While Supplies Last [38qvejMX]

Holley EFI Terminator 550-609 LS MPFI Kit

Introducing the Holley EFI Terminator 550-609 LS MPFI Kit, a game-changer for GM LS1/LS6 engine enthusiasts. This advanced kit brings the power of Terminator self-tuning EFI to your vehicle, providing complete control over fuel, spark, and transmission. With its user-friendly 3.5" touchscreen, installation is a breeze, and you can be on the road in no time without the need for a laptop. Experience the ultimate in performance and convenience with this all-in-one solution.

Technical Specifications and Features

Engineered for GM LS1/LS6 engines with a 24x crank reluctor, the 550-609 kit includes everything needed for a seamless installation. It's compatible with both stock and mild LS engines, ensuring a perfect fit for your vehicle. The kit features a Bosch wideband oxygen sensor for precise air-fuel ratio control.
  • Transmission Control: The kit offers comprehensive control over 4L60/4L80E transmissions, enhancing performance and efficiency.
  • Pre-Calibrated for Easy Installation: With pre-calibrated settings, you can enjoy hassle-free installation and tuning, saving time and effort.

Practical Uses and Benefits

Whether you're a weekend warrior or a daily driver, the Holley EFI Terminator 550-609 LS MPFI Kit is designed to meet your needs. Its intuitive 3.5" touchscreen allows for full adjustment, providing you with complete control over your engine's performance. With no laptop required, you can easily answer a few basic questions and hit the road, ready to experience improved power and efficiency. This kit is perfect for anyone looking to enhance their GM LS1/LS6 engine's performance, offering a practical and convenient solution for all your driving needs.

What Our Customers Say

January 19, 2026

Absolutely no complaints!

A great product. And very, very, very great service.

- Arawn P..

January 19, 2026

Absolutely no complaints!

My satisfaction with this is boundless.

- Demetria E..

January 19, 2026

Absolutely no complaints!

This is a really nice and a very, very, very, very, very solid product.

- Urien E..

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