Ignitions and Electrical› Ignition Components

Ford Motorcraft

Motorcraft Iridium Spark Plug

$17.49

SKU: SP-580

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

The Motorcraft SP-580 is a spark plug designed for car applications. It features a copper core material and a copper top material type, with a 14mm thread size. This is a vehicle-specific fit part.
Show original supplier description
The Motorcraft SP-580 is an original equipment spark plug, engineered by Ford to meet stringent standards for performance and reliability in Ford Motor Company vehicles. The spark plug features a copper core center electrode with an iridium tip and a nickel ground electrode tip, a multi-rib insulator to protect against misfire, and a tapered seat. This Motorcraft spark plug is specifically matched to engines to optimize fuel efficiency, contributing to fuel savings while maintaining peak performance. It is resistant to oxidation and arc erosion, which further contributes to its longevity. The design also helps prevent false check engine lights, ensuring your vehicle runs smoothly and efficiently. The SP-580 is an exact fit for Ford, Lincoln, and Mercury vehicles, providing OE fit and function. Specifications for this spark plug include a copper center electrode core material, standard center electrode design, iridium center electrode tip material, and nickel ground electrode tip material. It has a hex size of 16, an insulator height of 3.5, and a tapered seat type. The SP-580 has been superseded by the SP580X and typically comes pre-gapped at 0.031 inches.

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

Don’t gamble
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.

Available on iOS & Android

Specifications

BrandFord Motorcraft
Part NumberSP-580
CategoryIgnitions and Electrical

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

(760) 282-4645 Instagram Google

Buy with Confidence

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.

View Full Return Policy

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.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

View Full Shipping Policy