ENA Ignition Coil and Spark Plug Wire Kit 8-Pack UF413 Square Coils with Platinum Plugs and Red 8mm Wires for 4.8L–6.2L V8

ENA's complete ignition kit combines eight UF413 square ignition coils with eight platinum spark plugs and eight red silicone spark plug wires for plug-and-play replacement on compatible GM 4.8L, 5.3L, 6.0L and 6.2L V8 engines.

This all-in-one ENA kit is built to restore ignition output and streamline replacement with direct-fit components for many Chevrolet, GMC, Buick, Cadillac and Hummer models. Each coil pack is the UF413 square style—confirm your vehicle uses the square coil (UF413) rather than the round UF414 before ordering. The set includes platinum-tipped spark plugs with a 0.039" gap and high-quality 8 mm red silicone-insulated wires, designed to simplify a full ignition service in one purchase.

How do I confirm this kit fits my vehicle?

Start by checking your original ignition coils: this ENA kit uses the square UF413 coil design, not the round UF414. Compare part numbers and cross-references listed in the product details to your vehicle’s current parts or service manual, and use fitment tools when available on the retailer page.

• Confirm coil shape: square UF413 required, not UF414 round.
• Compare reference numbers: 12570616, 12611424 and equivalents listed.
• Compatible engines: 4.8L, 5.3L, 6.0L, 6.2L V8 across select Chevy/GMC/Buick/Cadillac/Hummer models.
• Use online vehicle-fit tools and your VIN for exact matching.

What are the key specs and materials in this ignition set?

ENA pairs bolt-on 12V coil packs with platinum-tipped spark plugs and nickel-chromium core wires insulated in silicone. The plugs have a 5/8" hex, 14 mm thread diameter and a factory-gap of 0.039", while the 8 mm wires prioritize durability and consistent conduction under heat.

• Coils: UF413 square design, bolt-on mounting to engine head, 12V, 4 terminals each.
• Spark plugs: platinum center tip, 0.039" gap, 14 mm thread, 5/8" hex.
• Wires: nickel-chromium core, silicone insulation, 8 mm diameter, red color.
• Package: 8 coils + 8 plugs + 8 wires, includes 12-month warranty.

How will installation and maintenance look for this kit?

The ENA components are designed for straightforward, direct-replacement installation using original mounting points and plug sockets—ideal for DIY mechanics and professional shops alike. Follow proper torque specs, replace one cylinder at a time to avoid mix-ups, and inspect boots and connectors for secure seating.

• Installation: bolt-on coils, plug-and-play wiring harness compatibility.
• Procedure tip: replace components one cylinder at a time to maintain firing order.
• Tools: basic hand tools, torque wrench for coil mounting and plug installation.
• Maintenance: check boots and connections periodically; observe manufacturer torque and gap specs.

Who is this for? This ENA ignition kit is aimed at owners and technicians servicing mid-2000s to mid-2010s GM V8 trucks and SUVs—Chevrolet Silverado, GMC Sierra, Tahoe, Suburban, Avalanche, Cadillac Escalade, Hummer H2, Express and similar models using 4.8L–6.2L engines. It’s suitable for those who want a full ignition refresh with matched components in one box: square UF413 coils, platinum spark plugs, and durable red silicone wires. Always verify coil style and part number compatibility with your vehicle before purchase to ensure a correct fit and avoid returns.