Best Ignition Coil For 6.2 LS Featuring 7 Quality Options

When I first started tweaking my 6.2 LS engine, I quickly realized that spark quality is everything—especially when running higher boost or just trying to regain that factory reliability lost over years of hard use. Choosing the best ignition coil for 6.2 ls is critical for maintaining consistent performance and preventing frustrating misfires. After testing several options on the market, I’ve put together this comprehensive guide featuring seven excellent choices that can help boost your horsepower, improve throttle response, and keep your engine running smoothly.

IMAGE	PRODUCT NAME	AMAZON LINK
	DRAGON FIRE PERFORMANCE Ignition Coil Power Pack Set…	View on Amazon
	2Pcs Ignition Coil Wire Harness Connector Compatible with…	View on Amazon
	HENGCOOL Ignition Coils 8 Packs UF413 For Chevy Camaro…	View on Amazon
	8x ZZPerformance LS Square High Voltage Coil Packs GM Gen…	View on Amazon
	Michigan Motorsports LS1/LS6 Ignition Coil Harness -Stock…	View on Amazon
	Set of 8 Ignition Coils Fits for 6.2 V8 Ford…	View on Amazon
	8PCS Square Ignition Coil Pack Compatible with 5.3L 6.0L…	View on Amazon

DRAGON FIRE PERFORMANCE Ignition Coil Power Pack Set Compatible with Chevy Cadillac GM Camaro Corvette Silverado Tahoe Escalade Yukon SQUARE REPLACES 12611424 12570616 GN10165 UF413 OEM Fit DFC1007Rx8

The Dragon Fire Performance set is an excellent option if you’re looking for a noticeable upgrade without diving into highly specialized racing components. This kit is designed as a direct OEM replacement (using the popular square body design) but features internal enhancements that deliver up to 15% more energy than standard factory coils. They use high-quality copper windings and a robust housing, making them ideal for spirited street driving or tackling heavy towing tasks in trucks and SUVs equipped with the 6.2L engine.

Key features that stand out:
– UP TO 15% MORE ENERGY for improved spark duration.
– Watertight, weatherproof connector design to resist moisture damage.
– High-temp exterior housing construction to prevent voltage leaks.
– DIRECT FACTORY REPLACEMENT PART – PLUG AND PLAY for easy installation.

Pros:
– Significant energy increase over stock coils.
– Engineered for extreme temperatures and thermal cycling.
– Excellent compatibility across many 6.2L LS platforms (trucks, cars, SUVs).

Cons:
– The performance increase might require new spark plugs gapped for hotter spark.

Best for: The enthusiast seeking performance gains and higher reliability over stock coils without requiring custom tuning.

Expert Opinion: This set is a dependable “step-up” coil. The focus on high-temp resistance makes it particularly suitable for high-demand applications, like supercharged 6.2L engines or those running in hot climates, ensuring the ignition consistency under load.

2Pcs Ignition Coil Wire Harness Connector Compatible with GM LQ9 LQ4 LS2 LS3 LS7 LSX 5.3 6.0 6.2 7.0 and The Coil Packs Found on Most Truck

While not a coil itself, this wire harness connector set is an absolutely essential accessory when dealing with any coil replacement on the 6.2 LS platform. Old harnesses often become brittle, cracked, or corroded, leading to intermittent misfires even with brand new coils installed. This harness connector provides a clean, stable connection for reliable signal delivery, ensuring your new best ignition coil for 6.2 ls can perform optimally.

Key features that stand out:
– Made of excellent material, ensuring long service life and stability.
– Plug and play installation, perfect for repairing old, damaged harness connectors.
– Wide compatibility with various GM LQ and LS coil packs (D510C, D585, etc.).
– Critical for addressing intermittent electrical issues often mistaken for bad coils.

Pros:
– Extremely cost-effective repair solution for damaged connectors.
– Easy to install and restores reliable electrical connection.
– Essential maintenance item when upgrading or replacing coils.

Cons:
– Only two connectors are included, meaning a full engine replacement requires purchasing multiple packs.

Best for: Repairing brittle or damaged factory connectors on the coil pack harness or ensuring a clean installation of new coil packs.

Expert Opinion: Don’t overlook the harnesses! Many frustrating misfires attributed to cheap coils are actually due to poor connections. Using a quality replacement connector like this ensures the coil receives the proper voltage and signal from the ECU, allowing any replacement coil to operate at its full potential.

HENGCOOL Ignition Coils 8 Packs UF413 For Chevy Camaro Silverado 1500 2500 3500 HD Suburban Tahoe Sierra Yukon XL Denali 2007-2014 5.3L 6.0L 6.2L LS LT LTZ WT 12611424

The HENGCOOL UF413 set is designed to be a budget-friendly, high-quality OEM replacement that matches or exceeds factory specifications. If your primary goal is to eliminate misfires caused by aging coils and restore smooth, efficient operation without seeking extreme performance gains, this pack is a solid choice. They focus heavily on maintaining lower fuel consumption and reduced exhaust emissions, making them excellent for daily drivers or work trucks where efficiency is key.

Key features that stand out:
– Replaces multiple OE part numbers (UF413, 12611424, D510C).
– Made of high-quality materials subject to strict quality control.
– Designed for fast ignition and fuel saving.
– Wide range of compatibility across GM trucks, SUVs, and muscle cars utilizing the 6.2L LS.

Pros:
– Direct OE fitment and functionality.
– Very strong focus on reliability and quality control testing.
– Excellent value for a complete 8-pack.

Cons:
– Output voltage is generally stock level; not ideal for extreme high-horsepower builds.

Best for: Value-oriented drivers needing reliable, OE-level replacement coils to fix misfires and restore standard fuel efficiency.

Expert Opinion: These coils are the definition of a dependable, no-frills replacement. If you just need your 6.2L truck or SUV to run like new again without spending performance coil money, the HENGCOOL UF413 pack is a reliable route to take.

8x ZZPerformance LS Square High Voltage Coil Packs GM Gen IV LS2 LS3 LS4 LS7

When factory reliability simply isn’t enough, ZZPerformance steps in with high-voltage coil packs aimed squarely at performance applications. These square-style coils are built to handle the rigorous demands of modified engines, especially those utilizing forced induction (superchargers or turbos) or high-compression setups on the 6.2 LS. They generate a significantly higher energy spark compared to standard OEM units, ensuring complete fuel combustion even under extreme cylinder pressures.

Key features that stand out:
– High Voltage Output, optimized for performance applications.
– Square style LSx ignition coils, compatible with Gen IV engines (LS2, LS3, LS7).
– Essential for maintaining spark at high RPMs and high boost levels.

Pros:
– Superior spark energy for maximum combustion efficiency.
– Ideal for highly modified engines needing reliable ignition under pressure.
– Proven performance brand in the LS community.

Cons:
– Higher cost compared to standard replacement coils.

Best for: Highly modified 6.2L LS engines running boost or high RPMs, where spark blow-out is a concern.

Expert Opinion: If you are pushing your 6.2L engine past 500 horsepower, a coil upgrade is necessary. These ZZPerformance coils are designed to deliver that crucial extra spark energy required to fire off the fuel mixture efficiently when cylinder pressures are through the roof.

Michigan Motorsports LS1/LS6 Ignition Coil Harness -Stock Location – Fits D580 Coils – Replaces GM #12558948 – Compatible with LS Engines Using Factory-Style Coil Brackets

This product from Michigan Motorsports is another critical harness replacement, specifically tailored for earlier LS engines (LS1/LS6) but often used in swaps or trucks utilizing the D580/D585 style coils. This harness focuses on OEM routing and plug positions, ensuring a perfect, factory-style installation. When doing an engine swap or restoring an older 6.2L (depending on the coil type used), a clean, high-quality harness is non-negotiable for stable ignition performance.

Key features that stand out:
– Direct Replacement Coil Harness for LS1/LS6 D580 coils.
– Features heat-resistant wiring and factory-style terminals.
– Replaces GM Part #12558948, offering OEM fitment.
– Ideal for LS swaps or rebuilding engine harnesses.

Pros:
– Extremely high-quality, factory-match fitment.
– Restores proper signal delivery to the coils.
– Great solution for repairing complex coil harness damage.

Cons:
– Compatibility is limited to the specific D580 coil architecture.

Best for: LS swaps, enthusiasts restoring older 6.2L vehicles, or those who need a direct-fit replacement for the D580/D585 coil harness.

Expert Opinion: When choosing the best ignition coil for 6.2 ls, the coil itself is only half the battle. This harness ensures the electrical connection is flawless. Michigan Motorsports is known for precise fitment in the LS community, making this a reliable choice for maintaining factory aesthetics and function.

Set of 8 Ignition Coils Fits for 6.2 V8 Ford F250 F350 E350 Super Duty 2010 2011 2012 2013 2014 2012 2016 2017 Coil Packs Driver Side & Passenger Side Replaces# UF639 UF631 C1800 C1801

Crucial Note on Compatibility: It is essential to understand that this coil set is designed for the Ford 6.2L V8 engines (Coyote/Boss platform), commonly found in F-Series Super Duty trucks, not the GM LS 6.2L V8. We are including this review as a warning because this is a very common search mistake! For Ford 6.2L owners, however, this LCWRGS set offers fantastic value and performance. It promises a 15% energy upgrade over stock Ford coils and is designed to improve fuel combustion and prevent common misfire issues associated with aging factory coils in heavy-duty applications.

Key features that stand out:
– Upgrade 15% more energy than OE Ford coils.
– Highly conductive copper wire ensures excellent connectivity.
– Enhanced reliability and high performance for heavy-duty use.
– Replaces common Ford OE Part Numbers (UF631, UF639).

Pros:
– Significant performance boost for Ford 6.2L V8 owners.
– Built specifically for demanding truck applications.
– Excellent warranty and customer support.

Cons:
– ABSOLUTELY NOT COMPATIBLE WITH GM 6.2L LS ENGINES.

Best for: Ford F-Series Super Duty owners (F250/F350) with the 6.2L V8 engine looking for a coil upgrade. (LS owners, please disregard this option.)

Expert Opinion: If you own a GM 6.2L, skip this. The connector and mounting style are completely different. However, for Ford 6.2L owners, this is an impressive performance coil set designed to handle the heavy workload these Super Duty trucks put out, offering reliable spark under load.

8PCS Square Ignition Coil Pack Compatible with 5.3L 6.0L 6.2L V8 Chevy Tahoe GMC Cadillac Camaro Corvette Express Impala CTS Rainier Avalanche Silverado Suburban Savana 2007 2008 2009 2010 2011, UF413

This 8-piece square ignition coil pack offers comprehensive compatibility across the vast spectrum of GM vehicles utilizing the 6.2L V8. Marketed under the common UF413 replacement number, these coils emphasize superior performance and reliable high-voltage output. They are built to enhance ignition efficiency, leading to improved fuel combustion and smoother overall engine performance. If you drive a late model Cadillac Escalade or a mid-2000s Corvette with the 6.2L, this set is a perfect direct-fit replacement.

Key features that stand out:
– Superior Performance designed to enhance ignition efficiency.
– Delivers stable high-voltage output for consistent spark.
– Extremely wide vehicle fitment, including many GM SUVs and trucks.
– Direct OE replacement for UF-413, 12611424.

Pros:
– Reliable operation across a broad range of GM models.
– Excellent value for an 8-pack set.
– Focus on improving fuel combustion and stability.

Cons:
– Performance gains are incremental compared to high-end performance brands.

Best for: GM 6.2L owners (especially trucks and SUVs) needing a reliable, well-fitting, direct OEM replacement with slightly enhanced performance characteristics.

Expert Opinion: This is a solid, trustworthy coil option for the average owner who has experienced failure on a few cylinders and wants to replace the entire set for preventative maintenance. The wide fitment coverage ensures compatibility with almost any modern GM 6.2L application.

Comparison Insights: Choosing the Best Ignition Coil for 6.2 LS

When sifting through the options to find the best ignition coil for 6.2 ls, the decision generally splits into three categories: OEM Replacement, Performance Upgrade, and Essential Accessories.

For most daily drivers and those focused purely on reliability, the HENGCOOL UF413 and the 8PCS Square Ignition Coil Pack (UF413 compatible) offer the best value for restoring factory performance. They are designed for plug-and-play ease and consistent output voltage.

If you are running a modified 6.2L LS engine (especially with boost or a tune), you need higher energy output to prevent spark blow-out under pressure. The DRAGON FIRE PERFORMANCE set, with its guaranteed 15% energy boost, or the ZZPerformance LS Square High Voltage Coil Packs are the superior choices, providing the necessary juice for highly efficient combustion.

Remember that installation integrity matters greatly. If you notice cracking or brittleness in your current harness connectors, investing in the 2Pcs Ignition Coil Wire Harness Connector or the Michigan Motorsports LS1/LS6 Ignition Coil Harness is crucial. A faulty harness connection can mimic a bad coil, so make sure your signal delivery is clean.

Finally, always double-check the specific engine family. The inclusion of the Ford 6.2L V8 coils shows how easy it is to mistakenly purchase the wrong product; ensure the part number references GM LS/Gen IV compatibility before ordering.

Final Verdict: Our Top Picks for Your 6.2 LS

Choosing the single best ignition coil for 6.2 ls depends heavily on your vehicle’s application and modifications. Here are our recommendations broken down by need:

🥇 Best Overall Performance Upgrade: DRAGON FIRE PERFORMANCE Ignition Coil Power Pack Set. This kit provides a measurable increase in spark energy (15%) while maintaining high-quality OEM-style durability, making it the top choice for street performance and reliable heavy-duty use.

🥈 Best OEM Replacement/Value: HENGCOOL Ignition Coils 8 Packs UF413. For fixing misfires and restoring standard, reliable performance without breaking the bank, this set offers incredible value and precise OE fitment.

🥉 Best For Extreme Modification: 8x ZZPerformance LS Square High Voltage Coil Packs. If you’ve spent thousands on internal engine parts and forced induction, these coils deliver the extreme voltage necessary to ensure full combustion efficiency under high cylinder pressure.

Best Ignition Coil For 6.2 LS FAQ

Q1: What are the main signs that my 6.2 LS ignition coils are failing?

The most common sign is a check engine light accompanied by a stored misfire code (P0300 series). Other real-world symptoms include rough idling, hesitation or sluggish acceleration (especially under load), and noticeable drops in fuel economy. Since the 6.2L LS engine is an 8-cylinder, a single failing coil might only cause intermittent issues until the problem worsens.

Q2: Should I replace all 8 ignition coils at once, or just the failed one?

While you can technically replace just the failed unit, it is highly recommended to replace the entire set of 8 coils at the same time. Coils typically have a similar lifespan, and if one has failed due to age or heat cycling, the others are usually close behind. Replacing the full set guarantees uniform spark output and saves you labor and diagnosis time in the near future.

Q3: Are all UF413 coils the same? What does UF413 mean?

UF413 is a common industry cross-reference number for a specific coil design used on the square-style GM Gen IV LS engines (including the 6.2L). While many aftermarket companies use this number, the internal components (like copper windings and primary/secondary resistance) can vary widely. Performance coils like Dragon Fire or ZZPerformance will use the UF413 form factor but with enhanced internals to deliver higher voltage than a budget OE replacement.

Q4: Will installing a performance best ignition coil for 6.2 ls increase horsepower instantly?

Installing performance coils alone will not drastically increase peak horsepower if your engine is stock. Their primary benefit is ensuring you get 100% combustion efficiency. If your old coils were weak or failing, an upgrade will restore lost power and potentially add a small, noticeable gain in mid-range torque and throttle response. For highly modified engines, a high-voltage coil is mandatory to support the required power level and prevent spark blow-out.

Q5: What is the lifespan of a typical ignition coil on a 6.2 LS engine?

The lifespan varies significantly based on driving conditions and heat exposure. Factory GM coils usually last anywhere from 75,000 to 125,000 miles. Running high-performance tunes, aggressive driving, or living in extremely hot climates can accelerate their degradation. Always check the physical condition of the coil housings and harnesses during maintenance.

Q6: What is the difference between the D585 (truck) coils and the standard square coils often used on the 6.2L?

The D585 coils (often called “truck coils”) are physically larger and known for their rugged reliability and strong output, especially favored by the budget performance community. Newer 6.2L engines often use the smaller, square D510C/D514A style coils (UF413 family). When selecting the best ignition coil for 6.2 ls, you must match the replacement coil to your specific factory bracket and harness connector style.