8 Pcs Spark Plug Wires Set & 41-110 Iridium Spark Plugs Compatible

In this review the focus is on a complete ignition replacement kit that combines an 8 pcs spark plug wire set with 41-110 iridium spark plugs, aimed at owners of GM V8 vehicles. The bottom line is simple: if you need a full wire-and-plug refresh for Chevrolet, GMC, Cadillac or related models from the late 1990s through the 2010s, this kit provides a straightforward OEM-replacement fit and consistent ignition thanks to iridium tips and a factory-style pre-gap. It is best for DIY mechanics and fleet owners who want correct fitment without aftermarket guesswork.

Key Features

• OEM Replacement Numbers: Matches multiple factory numbers so users can expect compatibility with LS-series V8 engines without modifications.
• Wide Vehicle Fitment: Designed for many Chevrolet, GMC and Cadillac models so one kit covers a range of trucks, SUVs and performance cars.
• Iridium Spark Plugs: 0.04 in (1mm) pre-gap and iridium tips deliver consistent ignition and durability under typical driving conditions.
• Complete Kit: Includes both wires and plugs for a full ignition service, simplifying maintenance by replacing all wear items at once.
• Factory-Style Fit: Wire lengths and connectors aim to match original routing to reduce installation time and ensure a secure fit.

Who It's For

This kit is best for owners of supported GM vehicles with LS1, LS2, LS3, LS6 or L99 V8 engines who prefer a like-for-like replacement that simplifies parts sourcing. DIY mechanics who perform routine tune-ups on Silverado, Tahoe, Sierra, Yukon, Escalade and other listed models will appreciate receiving both wires and iridium plugs in one package.

It is less suitable for owners of non-listed engines, custom swap projects where wire lengths or connectors differ, or those who demand branded OEM boxes for warranty documentation. Shop elsewhere if unique plug heat ranges or custom high-performance ignition components are required.

Pros & Cons

Pros

• Good compatibility across many Chevrolet, GMC and Cadillac V8 models for straightforward replacement.
• Iridium plugs with a 0.04 in pre-gap offer reliable ignition and longevity compared with standard copper tips.
• Complete set saves time by replacing wires and plugs together, simplifying a common maintenance task.
• Customers report solid engine performance and ease of installation on supported vehicles like the GMC Yukon.

Cons

• Wire quality and length received mixed feedback, so verify routing before final installation to ensure fitment.
• Not intended for vehicles outside the listed compatibility or for highly tuned engines needing specialized plugs.

Specifications

Product Type	Spark plug wires and iridium spark plugs kit
Included Items	8 spark plug wires and 8 iridium spark plugs
Pre-gap	0.04 in (1mm)
Compatible Engines	LS1, LS2, LS3, LS6, L99 V8 GM engines
Vehicle Fitment	Selected Chevrolet, GMC, Cadillac models 1997-2018 (see fitment list)
Replacement Numbers	Replace 41-110, 41-162, 41-985, 9602, 41-962, 19417055, 12621258, 12680072

Our Verdict

This kit is a practical, value-driven option for owners of compatible GM V8 vehicles who want a full ignition refresh without hunting multiple part numbers. It pairs iridium plugs and a full wire set for dependable ignition and easier installation, making it a sensible choice for routine maintenance and those seeking a factory-style replacement.

Frequently Asked Questions

Will these fit my 2005 Silverado 5.3L?
Yes, the kit lists compatibility with Silverado models using the 5.3L V8 in the supported years; confirm engine code and routing before purchase.

Are the spark plugs pre-gapped?
Yes, the iridium plugs are supplied with a 0.04 in (1mm) pre-gap for consistent ignition out of the box.

Do the wires match OEM lengths?
The wires are designed to match factory-style lengths and routing, though some customers reported mixed experience, so check fitment during installation.