# FAST EZ-EFI Marine Base Kit w/ Mercury Marine O2

FAST EFI systems are ready to take to the sea with the self-tuning EZ-EFI Marine kit that features the proven performance and reliability that comes standard in all FAST EZ-EFI systems. The marine system upgrades the poor cold starting and rough idle often associated with boat engines running a carburetor, while improving overall performance and drivability.?

## Details

- **Price:** 4599.92 CAD
- **Vendor:** FAST
- **Type:** Programmers & Tuners

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 4599.92 CAD | In stock |

## Images

- Photo - Primary
- User 1
- Logo Image

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/fast-ez-efi-marine-base-kit-w-mercury-marine-o2)
> Updated: 2026-08-29