AMP EFI

Master Control Relay (MCR) Wiring Kit

$99.99

SKU: ECU-Power-PKG

In Stock
In Stock
Ships by Aug 31
Free Shipping over $200
$100 Minimum Order
30 Days Return

Description

By utilizing a Master Control Relay (MCR) kit design, it aims to minimize wiring errors and reduce the time spent on troubleshooting, making it an ideal choice for both first-time installers and experienced builders seeking a reliable and tidy power setup. The package includes all the necessary components for a safe and efficient installation. You'll receive 8 feet of 10-gauge red power wire, an inline fuse holder with a 50-amp fuse, and a 50-amp relay. Additionally, it features a compact 4-slot fuse block with a cover to protect your circuits. For system safety and protection, the bundle comes with all required fuses, including one 30A J-case fuse, one 20A J-case fuse, one 20A Mini fuse, and one 10A Mini fuse.

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

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Specifications

BrandAMP EFI
Part NumberECU-Power-PKG
CategoryIgnitions and Electrical

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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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Shipping

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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