Best Spark Plugs For 6 2 Ls: Compare 10 V8 Sets

#1 · Best Overall

1. NGK Iridium IX TR6IX

• Core Material: Iridium
• Top Material Type: Metal
• Compatible with Vehicle Type: Car, Truck
• Thread Size: 14 millimeters

Best for: Iridium plugs for LS-based V8s.

Why it ranks #1: Its listing directly names the 6.2L/376 Camaro SS and LS-based engine family, with a fine-wire iridium electrode and a complete set of eight.

NGK identifies the TR6IX as suitable for 6.2L/376 Camaro SS applications from 2012–2014 and LS-based Gen III/IV engines, giving this eight-pack a defined performance-engine context. Its fine-wire iridium center electrode is specified to support a stable spark and durability in high-performance use.

The fine-wire iridium center electrode is described as producing a consistently stable spark while retaining durability, connecting its slim electrode design with ignition needs in high-performance engines. NGK also notes iridium’s high melting point, a material property relevant to demanding operating conditions. The set contains eight plugs, matching a full V8 service quantity. Listed fit details specifically call out the 2012–2014 Camaro SS 6.2L/376 and LS-based Gen III/IV engines; the stated gap is 0.03 inches.

Skip it if you need a plug explicitly listed for 2014+ Gen V LT engines; Michigan Motorsports NGK 6510-08 names those applications.

A suitable choice for a buyer servicing a listed Camaro SS 6.2L/376 or compatible LS-based Gen III/IV V8 who wants fine-wire iridium. The stated application boundary is important; this listing does not name Gen V LT engines.

Listed on Amazon as: NGK Iridium IX Spark Plug TR6IX (8 Pack) for CHEVROLET CAMARO SS 2012-2014 6.2L/376

#2 · Broad LS Coverage

2. Ozikutech Iridium Plugs

• Core Material: Iridium
• Top Material Type: Iridium
• Compatible with Vehicle Type: for 4.8 5.3 5.7 6.0 6.2 6.6 8.1 LS V8

Best for: Broad GM LS V8 replacement coverage.

Why it ranks #2: The fitment list explicitly includes 6.2L Silverado and Sierra applications and LS engines; the iridium set includes eight plugs.

Ozikutech lists compatibility across LS1, LS2, LS3, LS6, and L99 V8 engines, alongside a broad range of GM vehicle applications that includes 6.2L Silverado and Sierra models. The eight-plug iridium set gives buyers a wide-coverage replacement option to evaluate against their specific vehicle.

The stated LS engine-family coverage and vehicle list, including 6.2L Silverado and Sierra applications, help buyers narrow whether this replacement set matches their GM V8 service. Its iridium core and top specify the electrode material, and the listed 0.04-inch gap supplies a setup detail for comparison with the required specification. Eight plugs provide a full-set quantity for a V8. The broad compatibility list spans many vehicles and years, making exact engine and model matching important before installation.

Skip it if you want a listing focused on Escalade EXT model years; Sixity Auto NGK Laser Iridium names 2002–2013 6.0L and 6.2L models.

A reasonable candidate for GM V8 owners whose vehicle and engine appear in the stated wide-ranging compatibility list, including listed 6.2L trucks. Match the exact application and plug requirements; broad coverage alone does not establish every vehicle fit.

Listed on Amazon as: 8 Pack Iridium Spark Plugs Replace OEM# 41-110 41-162 41-985 9602 19417055

#3 · Escalade Fitment

3. NGK Laser Iridium Set

• Core Material: Iridium
• Top Material Type: Ceramic, Metal
• Compatible with Vehicle Type: Car, Truck
• Thread Size: 0.04

Best for: Escalade EXT laser-iridium replacement.

Why it ranks #3: The listing states compatibility with 6.2L V8 Cadillac Escalade EXT models and includes eight genuine NGK Laser Iridium plugs.

This eight-piece NGK Laser Iridium set specifically lists Cadillac Escalade EXT 6.0L and 6.2L V8 models from 2002–2013, giving owners a clearly defined vehicle range to assess. Its direct-replacement description and included hardware support a like-for-like service workflow for those named applications.

The listed Escalade EXT model years and 6.0L/6.2L V8 engines narrow the intended application, helping buyers assess relevance to a 6.2L service rather than relying on a generic engine-family label. NGK Laser Iridium construction identifies the plug type, and the listing calls the parts direct replacements. Original packaging and hardware are included, while the eight-piece count supplies a full set quantity for a V8. The listing recommends checking vehicle fitment, so use the named model range as a starting point.

Skip it if you service a Camaro SS and want its application named; NGK TR6IX (8 Pack) lists Camaro SS 6.2L/376 fit.

A focused candidate for Escalade EXT owners whose year and 6.2L V8 match the stated range and who want an eight-plug direct-replacement set. Buyers working on other LS vehicles should not assume the Escalade-specific listing establishes fit.

Listed on Amazon as: 8 pc NGK Laser Iridium Spark Plugs for Cadillac Escalade EXT 2002-13

#4 · LS Family Set

4. ACDelco Platinum Set

• Core Material: Platinum
• Top Material Type: Nickel
• Compatible with Vehicle Type: UTV
• Thread Size: M14

Best for: ACDelco platinum set for LS engines.

Why it ranks #4: This full set of eight ACDelco platinum plugs explicitly lists LS1, LS2, LS3, LS6, and L99 engine use.

This ACDelco platinum set includes eight plugs and specifically names LS1, LS2, LS3, LS6, and L99 engines, giving LS V8 owners a clear engine-family starting point. Its platinum core and nickel top provide stated material details for buyers comparing replacement-plug construction.

The eight-piece quantity corresponds to a complete V8 set, while the named LS1, LS2, LS3, LS6, and L99 applications make the intended engine families easy to assess. Platinum is listed as the core material and nickel as the top material, providing concrete construction information rather than an unspecified plug type. The description says the plugs are intended as exact replacements meeting or exceeding original specifications. It also advises checking part fitment, so confirm the specific 6.2L vehicle application before service.

Skip it if you need a named 6.2L Silverado application; Ozikutech SPW 41-110 9748HH lists Silverado 6.2L fit.

Consider this set for a buyer servicing one of the named LS engine families who wants eight ACDelco platinum plugs. The supplied listing does not identify a specific 6.2L vehicle or year, so verify application details before proceeding.

Listed on Amazon as: AC-Delco Platinum Spark Plug Set of 8 FOR LS1 LS2 LS3 LS6 L99 ENGINES

#5

5. ACDelco 41-962 Platinum

• Core Material: Platinum
• Top Material Type: Nickel
• Compatible with Vehicle Type: Car
• Thread Size: 14 millimeters

Best for: Platinum plugs with suppressor seal.

Why it ranks #5: The eight-plug platinum set offers a copper core and double platinum electrode pads, though the listing does not identify a specific 6.2L vehicle.

ACDelco’s one-piece fired-in suppressor seal combines three glass types into a gas-tight seal, a concrete feature intended to help manage interference and withstand compression pressure. This eight-plug set also uses double platinum point pads, giving V8-service buyers a specified wear-focused electrode construction.

The fired-in suppressor seal is described as helping reduce radio-frequency and engine interference, regulate spark-plug energy, and protect against compression pressures. That combines sealing and electrical-management benefits in one specified component. Double platinum pads on both center and ground electrodes are stated to support durability and consistent voltage demands while reducing ignition-system wear. A pure copper core is also listed, with cooler electrode temperature cited as its benefit. The eight-piece quantity suits a complete V8 plug service, though the listing does not name a 6.2L vehicle fit.

Skip it if you want a listing naming Camaro SS 6.2L/376 fit; NGK TR6IX (8 Pack) specifies that application.

Consider this ACDelco set if its suppressor-seal, double-platinum, and copper-core features align with your ignition service. It includes eight plugs, but the supplied application details do not establish fit for a particular 6.2L LS vehicle.

Listed on Amazon as: ACDelco 41-962 Professional Platinum Spark Plug, (8)

#6 · LS Performance Range

6. NGK TR6 4177 V-Power

• Core Material: Iridium
• Top Material Type: Iridium
• Compatible with Vehicle Type: Car
• Thread Size: 14mm

Best for: TR6 set for LS performance applications.

Why it ranks #6: The listing names LS1, LS2, LS3, LS6, LS7, LS9, and LSA applications and supplies eight plugs, but does not specify a 6.2L vehicle.

NGK’s TR6 4177 V-Power set provides eight plugs and names an unusually broad LS-family range, from LS1 and LS2 through LS7, LS9, and LSA. That explicit performance-engine coverage gives GM V8 owners a useful application reference when evaluating a replacement set.

The listed LS-family coverage spans LS1, LS2, LS3, LS6, LS7, LS9, and LSA, making engine-family matching central to choosing this set. Eight plugs provide a complete quantity for a V8 service, while the 14mm thread specification adds a concrete replacement detail. The product is described as widely used in GM V8 performance applications and names Corvette, Camaro, CTS-V, GTO, and Firebird examples. Its own guidance still calls for checking vehicle, engine, and plug requirements.

Skip it if you need a listing naming 6.2L Silverado and Sierra models; Ozikutech SPW 41-110 9748HH includes those applications.

A candidate for GM V8 performance owners whose engine appears in the extensive listed LS-family coverage and who need an eight-plug set. Verify the specific vehicle and plug requirements; broad LS references do not replace application matching.

Listed on Amazon as: NGK TR6 4177 V-Power Spark Plugs Set of 8 – Compatible with Corvette C5 C6, Camaro SS ZL1 Z28, CTS-V, GTO, Firebird Trans Am – LS1 LS2 LS3 LS6 LS7 LS9 LSA

#7

7. NGK 6510 LTR7IX-11

• Core Material: Iridium
• Top Material Type: Iridium
• Compatible with Vehicle Type: Truck

Best for: Two-step-colder Gen V LT builds.

Why it ranks #7: The eight iridium plugs are two steps colder for listed 2014+ Gen V LT 6.2L engines, but that is not an LS fitment claim.

These NGK LTR7IX-11 iridium plugs are specified two steps colder than stock for 2014+ Gen V LT engines, including 6.2L LT1 and LT4 applications. That colder heat range targets higher-cylinder-pressure, boosted, or aggressively tuned builds rather than a general stock LS service.

The two-step-colder specification is tied to engines running higher cylinder pressures, boost, or aggressive tuning, with the listing stating it helps reduce detonation and pre-ignition risk. A fine-wire iridium center electrode provides the named electrode construction for this performance-oriented set. Eight plugs supply a complete V8 service quantity. The compatibility list names 2014+ Gen V LT families including LT1, LT4, L83, L86, and L87, so the key fit distinction is LT-family application rather than older LS engines.

Skip it if you need a plug listing older LS engines; Ozikutech SPW 41-110 9748HH names LS1, LS2, and LS3 applications.

Choose this set for a compatible 2014+ Gen V LT performance build where a two-step-colder plug matches the engine setup. It is not presented as a general 6.2L LS replacement, so distinguish LT fit from LS fit.

Listed on Amazon as: LTR7IX-11 Iridium Spark Plugs | NGK 6510 | Set of 8 Plugs | 2-Step Colder | 2014+ Gen V LT 5.3L 6.2L LT1 LT4 L83 L86 L87 | High Performance Spark Plugs

#8

8. Yoshi Motors Iridium Plug

• Core Material: Iridium
• Top Material Type: Iridium
• Compatible with Vehicle Type: Car
• Thread Size: M14x1.25

Best for: Iridium option for named Chevrolet engines.

Why it ranks #8: The title claims LS1 and LS2 Chevrolet V8 compatibility and the specification lists an M14x1.25 thread, but pack size and detailed 6.2L fitment are absent.

Yoshi Motors specifies an iridium core and top with an M14x1.25 thread, giving buyers concrete material and thread details for identifying a candidate replacement. The title names LS1 and LS2 as well as Chevrolet 5.3L and 6.2L V8s, though verified fit facts cover other engine examples.

The iridium core and top identify the electrode material, while the M14x1.25 thread specification gives a concrete dimension relevant when matching a replacement plug. The title names LS1, LS2, and Chevrolet 6.2 V8 applications, which makes it relevant to a 6.2L LS search. However, the additional verified vehicle facts list Chevrolet Avalanche 1500 V8 5.3L and Silverado 1500 4.3L and 4.8L examples. Those facts do not independently establish a particular 6.2L vehicle fit.

Skip it if you require verified fit details for a named 6.2L vehicle; NGK TR6IX lists Camaro SS 6.2L/376 applications.

This may suit a buyer assessing an iridium plug for a Chevrolet V8, especially where the title’s LS and 6.2L references match the intended application. Treat the fit boundary carefully: verified vehicle examples are for other listed engine sizes.

Listed on Amazon as: Iridium Spark Plug For NGK LS1 LS2 Chevrolet 5.3 5.3 6.2 V8

#9

9. NGK TR5GP G-Power

• Core Material: Platinum
• Top Material Type: Platinum
• Compatible with Vehicle Type: Car, Truck
• Thread Size: 14×1.25mm

Best for: Wide-heat-range platinum service.

Why it ranks #9: This eight-piece platinum set has a stated 14×1.25mm thread and broad car and truck compatibility, but no LS or 6.2L application is listed.

NGK’s G-Power platinum plugs are specified to operate over a wider heat range than ordinary plugs, giving buyers a stated heat-range feature alongside resistance to carbon buildup and pre-ignition. The eight-plug set is a practical quantity for a V8 service, while the listing does not identify a specific 6.2L LS application.

The platinum core and top provide the listed electrode material, while NGK’s wider-heat-range claim gives the plug a stated operating characteristic beyond ordinary plugs. Carbon-buildup and pre-ignition resistance are also explicit features, relevant to buyers prioritizing those concerns. The patented triple-gasket sealing process is specified to eliminate combustion-gas leakage. Eight plugs make a complete set quantity for a V8, but the product information does not establish a particular LS 6.2L vehicle fit, so application verification matters.

Skip it if you need a listing that explicitly names a 6.2L LS fit; NGK TR6IX (8 Pack) identifies 6.2L LS-based engines.

Choose this eight-piece NGK set if its stated heat-range, deposit-resistance, and sealing features suit your service needs. Its listing does not name a specific 6.2L LS application, so confirm the plug specification for your engine before installation.

Listed on Amazon as: NGK # 3186 G-Power Platinum Spark Plugs TR5GP – 8 PCSNEW

#10

10. NGK 6619 Iridium

• Core Material: Iridium
• Top Material Type: Iridium
• Compatible with Vehicle Type: Car, Truck
• Thread Size: 14mm (Thread Diameter), 1.25mm (Thread Pitch)

Best for: Six-pack iridium for partial service.

Why it ranks #10: It offers iridium construction and a 14mm thread, but the six-pack is incomplete for a V8 set and no LS fitment is stated.

NGK’s LFR6AIX-11 iridium plugs are specified to resist carbon buildup and pre-ignition, and their triple-gasket sealing process addresses combustion-gas leakage. The six-piece pack may suit a partial service or applications requiring six plugs, but it is not a full eight-plug V8 set.

The iridium core and top identify the plug material, while NGK’s stated wider heat range than ordinary plugs offers a specified operating characteristic. Carbon-buildup and pre-ignition resistance are also listed, as is a patented triple-gasket process intended to prevent combustion-gas leakage. The pack contains six plugs, so it does not supply the eight pieces needed for a complete eight-cylinder service. Buyers should also verify the LFR6AIX-11 application for their specific engine before installation.

Skip it if you need eight plugs for a full V8 service; NGK TR6IX (8 Pack) supplies a complete eight-piece set.

This six-pack suits buyers needing six plugs or a partial replacement and who value NGK’s listed iridium, heat-range, and sealing features. For a complete 6.2L V8 service, its quantity is a clear boundary, and application fit still matters.

Listed on Amazon as: NGK 6619 Iridium Spark Plugs LFR6AIX-11-6 Pack