NGK Laser Iridium Spark Plug Box of 4 (LTR6DI-8) Fabrication>Bolts Both the standard and sequential

Both the standard and sequential models feature a unique startup sequence

2014-2020 Chevrolet Silverado 1500 LT 2019-2020 Chevrolet Silverado 1500 LT Trail Boss 2007-2009

2002 Chevrolet Silverado SS (AWD) — 6

The inlet/outlet are offset to the same side of the muffler

Year Make Model Submodel 2009-2010 Ford F-250 Super Duty Cabela's 2008-2009 Ford F-250 Super Duty FX4 2005-2010 Ford F-250 Super Duty Harley-Davidson Edition 2005-2016 Ford F-250 Super Duty King Ranch 2005-2016 Ford F-250 Super Duty Lariat 2013-2016 Ford F-250 Super Duty Platinum 2005-2016 Ford F-250 Super Duty XL 2005-2016 Ford F-250 Super Duty XLT 2009-2010 Ford F-350 Super Duty Cabela's 2008-2009 Ford F-350 Super Duty FX4 2005-2010 Ford F-350 Super Duty Harley-Davidson Edition 2005-2016 Ford F-350 Super Duty King Ranch 2005-2016 Ford F-350 Super Duty Lariat 2013-2016 Ford F-350 Super Duty Platinum 2005-2016 Ford F-350 Super Duty XL 2005-2016 Ford F-350 Super Duty XLT

NGK Laser Iridium Spark Plug Box of 4 (LTR6DI-8) Fabrication>Bolts Both the standard and sequentialNGK Laser Iridium spark plugs offer the best combination of performance and longevity. Engineered specifically for OE applications, Laser Iridium spark plugs are tested to the highest standards to ensure quality and durability. Iridium tipped center electrode provides durability six times harder than platinum. NGKs high grade pure alumina ceramic and 98 percent pure copper core prevents the spark plug from overheating while providing reliable starts.