Product Description
NGK LTR6GP Platinum 90198 Spark Plugs – Set of 8
Fits 2014-Newer LT-Based V8 Engines 5.3L 6.2L L83 L86 L84 L87 LT1 LT4 L8T L8B - Also Compatible with BTR LS Cylinder Heads
1-Step Colder Heat Range Compared to Stock
These NGK LTR6GP G-Power Platinum spark plugs are 1 Heat Range Colder than stock and are ideal for applications with increased cylinder temperatures for most GM LT-Based V8 car & truck engines. They feature a single platinum tip, 98% pure copper core and a .6mm fine-wire center electrode for more focused spark and better ignitability.
- Factory Pre-gapped to .040"
- 1-step colder heat range than stock (recommended for turbo, supercharged, nitrous, or high-performance applications)
- Cold-rolled threads prevent cross-threading and damage to cylinder heads
- Trivalent plating eliminates need for anti-seize on threads
- High-grade alumina silicate ceramic creates a stronger insulator to reduce dielectric punch-through
- 98% pure copper core increases heat dissipation for reliable starts and prevents spark plug overheating
- Trapezoidal ground electrode reduces quenching
- NGK spark plugs are tested to the highest OEM original equipment standards
- 14mm Thread, 25mm reach, 5/8" Hex
Common Applications Include (Gasoline V8 models only):
- CADILLAC CTS-V 2016-2019
- CADILLAC ESCALADE 2015-2022
- CHEVROLET CAMARO 2016-2022
- CHEVROLET CORVETTE 2014-2019
- CHEVROLET SILVERADO 1500 2014-2022
- CHEVROLET SILVERADO 2500 2020-2022
- CHEVROLET SILVERADO 3500 2020-2022
- CHEVROLET SUBURBAN 2015-2022
- CHEVROLET TAHOE 2015-2022
- GMC SIERRA 1500 2014-2022
- GMC SIERRA 2500 2020-2022
- GMC SIERRA 3500 2020-2022
- GMC YUKON 2015-2022
- GMC YUKON XL 2015-2022
