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Ignitions and Electrical› Computers, Chips, Modules and Programmers
Holley
HOLLEY MA MPFI W/DBW 550-931-5
SKU: H00E 550-931-5
Advanced — 4+ hours
Overview
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Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.
Fitment
Fitment Guaranteed
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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Holley |
| Part Number | H00E 550-931-5 |
Videos
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Holley EFI for Beginners -Where to Start! // Sniper, Terminator X, HP/ Dominator
Holley Terminator X EFI - Wiring Harness Installation and Suggestions
How to Tune Holley Terminator X for Beginners - IDLE CONTROL TARGETS // Holley EFI Idle Tuning
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Returns & Fitment
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.
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