TRQ Iridium Spark Plugs Engine Tune Up Ignition Kit 16 Piece Set

In this review of the TRQ Iridium Spark Plugs Engine Tune Up Ignition Kit, the bottom line is simple: this 16 piece set is aimed at owners of V8 5.7L engines who need a direct-fit, OE replacement spark plug kit for routine tune-ups. The reviewer found the kit very practical for multi-cylinder engines common to Ram, Dodge, Jeep and Chrysler models because it supplies all 16 plugs at once and lists numerous OE and aftermarket reference numbers for fitment checking. For drivers who want a straightforward replacement that is easy to install, this kit delivers clear value.

Key Features

• Direct Fit: Each plug is intended as an OE replacement so installers save time by avoiding modifications or adapters.
• Complete 16-Piece Kit: The kit covers all cylinders for the listed V8 5.7L engines, so a single purchase handles a full tune-up without mixing parts.
• Extensive Fitment Information: The listing includes detailed vehicle compatibility and numerous OE reference numbers to reduce the risk of ordering the wrong plug.
• Iridium Electrode: Iridium construction is designed to provide improved longevity and consistent spark compared with standard electrodes.
• Aftermarket References Listed: Multiple aftermarket part numbers are provided, making cross-referencing with service manuals or parts catalogs easier.

Who It's For

Owners of Ram 1500/2500/3500, Dodge Charger, Challenger, Durango, Jeep Grand Cherokee, Chrysler 300 and similar vehicles with V8 5.7L engines will find this kit useful, especially fleets or enthusiasts who prefer replacing all plugs at once. It is also suited to DIY mechanics who appreciate a labeled multi-pack so they can do a full tune-up in one session.

Those who should look elsewhere include owners of engines not listed in the fitment section (for example non-V8 or non-5.7L engines) and drivers who require OEM-branded plugs for warranty or service-plan reasons; always verify vehicle compatibility using the provided OE reference numbers before purchase.

Pros & Cons

Pros

• Good value for money when replacing every plug, since the set contains all 16 needed for V8 5.7L engines.
• Generally positive reports on fit and ease of installation, which reduces labor time for a DIY tune-up.
• Customers report improved fuel efficiency after installation in some vehicles, suggesting consistent spark and combustion.
• Iridium tips offer expected durability compared with copper-only designs.

Cons

• Performance and acceleration feedback is mixed across users, so results may vary by engine condition and tuning.
• Compatibility requires careful checking against the many OE and aftermarket reference numbers; a wrong selection could occur if fitment is not verified.

Specifications

Kit Contents	16 spark plugs
Plug Type	Iridium electrode
Intended Engines	V8 5.7L (various Ram, Dodge, Jeep, Chrysler)
Direct Fit	OE replacement fitment listed
OE Reference Numbers	Multiple (e.g. 12290PHMA01, 9091901249, 22401AA760)
Aftermarket References	Multiple listed for cross-reference

Our Verdict

The TRQ Iridium 16 piece spark plug kit is a practical, cost-effective choice for owners of V8 5.7L vehicles who want a full set of direct-fit replacement plugs. It offers easy installation, comprehensive fitment references and iridium durability, making it a sensible option for routine tune-ups and fleets; just confirm compatibility with your vehicle using the provided OE numbers before ordering.

Frequently Asked Questions

Will this kit fit my Ram 1500 5.7L?
Check the listing fitment and the OE reference numbers against your vehicle; the kit is listed for many 2011-21 Ram 1500 5.7L applications.

Are these plugs a direct replacement for factory parts?
Yes, the kit is sold as an OE replacement with direct-fit intent and includes multiple OE and aftermarket reference numbers for verification.

Do customers notice fuel economy changes?
Some customers reported improved fuel efficiency after installing these plugs, though performance results varied by vehicle and condition.