Installation Time
(approx) 30 Minutes
Difficulty Level:
Simple installation for anyone.
Installation Guides
No guide available for this part yet.
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Accel HP Copper Spark Plugs; 2 Ranges Colder; 4-Pack (15-26 Mustang EcoBoost)Find parts that fit my vehicle
Item 409201
Our Price
$34.21 set of 4
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$1.71 Available in AM Cash Rewards.
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Frequently Bought Together
Product Information
Features, Description, Reviews, Q&A, Specs & Installation
Features
- Application Ford Ecoboost
- Brand Accel
- Category Spark Plugs
- Emission Code 2
- Gap .030 In
- Heat Range 2 Steps Colder
- Hex Size 5/8 In
- Length Standard
- Part Type Spark Plug
- Product Type Spark Plug
- Projected Tip Yes
- Qty 4
- Reach 1 In
- Resistor Yes
- Seat Type Tapered
- Style Copper Core
- Sub Category Secondary Ignition
- Thread Pitch 1.25 Mm
- Thread Size 14 Mm
- Torque Specification 7.2-14.5 Lb.Ft.
- Fits 15-26 Mustang Ecoboost
Description
Performance Spark Plug. The Accel HP Copper Spark Plugs; 2 Ranges Colder; 4-Pack deliver a stronger and more reliable spark for high-performance and boosted applications. Designed to improve combustion efficiency and reduce misfires, they ensure optimal engine power and responsiveness under demanding conditions.
Construction and Appearance. These spark plugs feature a copper core that offers superior electrical conductivity and heat dissipation compared to platinum and iridium. They include a "C"-cut design that exposes the spark kernel for improved flame propagation. Machine rolled threads provide precise engagement and enhanced torque retention.
Installation. Installation is straightforward with no drilling required, utilizing standard spark plug intervals and torque specifications. Perfect for professional or experienced enthusiasts seeking a direct replacement with improved heat handling.
Application. These spark plugs are specifically engineered to fit 2015 through 2026 Mustang EcoBoost models, delivering optimized performance without modification.
Accel 578C2-4
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Installation & What's in the Box
Installation Info
What's in the Box
- (4) Spark Plugs
Tech Specs
4.9
Customer Reviews (60)
Questions & Answers
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Will It Fit My Mustang
- EcoBoost - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26
