Wild Card Sequential EFI Master Kit (500 HP)

Name: Wild Card Sequential EFI Master Kit (500 HP)
Brand: ACES FUEL INJECTION
SKU: A0AI AY0439
Price: 1759.99 USD
Availability: InStock

$3,079.99 $1,759.99 Save $1,320.00

SKU: A0AI AY0439

In Stock

Ships by Jun 7

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Non-Returnable Item

DIY PRO SHOP

Advanced — 4+ hours

Description

The ACES Fuel Injection Wild Card 2 Sequential EFI Master Kit (AY0439) is a fully customizable, true Sequential Multi-Port EFI (MPEFI) system designed for classic 8-cylinder engines, supporting up to 500 horsepower. It provides precise fuel metering to each cylinder for superior throttle response, balanced fuel distribution, and increased power. The system is DIY-friendly with a self-learning ECU and includes a Bluetooth module for app support and a handheld touchscreen with built-in GPS.

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	ACES FUEL INJECTION
Part Number	A0AI AY0439

Videos

Wild Card Installation Guide

WARNING Don't Install Your Aces Fuel Injection Kit Until You See This!

Master Fuel Delivery Kit

Aces EFI Kits Explained: Standalone System, Top-End Kits, Fuel Kits & Master Kits

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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