SPARKWHIZ 8x UF414 Round Ignition Coils + 8x 748UU Spark Plug Wires Set – Compatible with Chevrolet, GMC, Pontiac (Impala, Corvette, Tahoe, Express, Escalade, Silverado 1500/2500/3500)

Overview

Upgrade your GM ignition system with SPARKWHIZ's Set of 8 UF414 round ignition coils paired with 8 spark plug wires (748UU). Built to align with OE design principles, this kit aims for a straightforward replacement experience, helping you refresh ignition performance across a range of Chevrolet, GMC, and Pontiac models without guesswork.

Engineered for reliability and ease of installation, the UF414/D514A round coils are designed to fit many popular GM configurations. The 748UU wires are matched to support efficient spark delivery across cylinders, so you can approach maintenance with a single, coherent kit rather than sourcing parts separately.

What’s Included and Key Benefits

• Eight UF414 round ignition coils for a complete, ready-to-install replacement set
• Eight spark plug wires with integrated clamps for secure routing and tidy engine bays
• Interchangeable part references and fitment guidance to help you confirm the right style
• OE-style design intended to match or improve on original performance, with a focus on reliable ignition delivery
• Quality-controlled components designed to withstand typical automotive operating conditions

Fitment and Compatibility

This set targets many GM vehicles, including Chevrolet, GMC, and Pontiac models such as Impala, Corvette, Tahoe, Express, Escalade, and Silverado 1500/2500/3500. Before purchase, use the year/make/model dropdown or verify against your original coils to confirm you need the UF414 round style (the UF413 square variant is a separate option).

Installation Tips

• Prepare for a straightforward swap with common hand tools and a clean workspace
• Route wires neatly and use the included clamps to secure wires for a tidy engine bay
• Double-check connections to ensure a snug, vibration-free fit during operation

Why SPARKWHIZ

SPARKWHIZ designs, engineers, and distributes OE-standard ignition components. Each part undergoes rigorous quality controls to ensure consistent performance and reliability, giving you a replacement option that aligns with your vehicle’s design intent.

Possible Benefits You May Notice

• Cleaner, quicker ignition events on compatible GM engines
• More uniform spark delivery across cylinders, contributing to steadier idle
• Single kit for multiple components, reducing project planning time