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Air and Fuel› Fuel Injection Systems and Components - Electronic

Holley

HOLLEY MA MPFI W/TRANS DBW 550-928-5

$2,503.95 $2,224.95 Save $279.00

SKU: H00E 550-928-5

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Special Order
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Professional / shop required

Description

The Holley EFI 550-928-5 is a complete street performance engine management system for LS engines. It features a 58x crank trigger, 4x cam, 1bar MAP sensor, and EV6 injector harness. This system is designed for use with 4L60E or 4L80E transmissions and includes drive-by-wire throttle body control.

Fitment

Fitment Guaranteed

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on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandHolley
Part NumberH00E 550-928-5

Buy with Confidence

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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