Ton's Performance TP6IX Iridium Spark Plugs - Set of 8
Fits 1997-2013 LS-Based V8 Engines 4.8L 5.3L 5.7L 6.0L 6.2L
These Ton's Performance TP6IX Iridium spark plugs are one heat range colder than the stock plugs for most LS car & truck engines. They feature a specially designed V-grooved center electrode, improving ignitability and reducing quenching. This TP6IX plug is recommended for mild boost or high compression naturally aspirated setups.
- Factory Pre-gapped to .040"
- 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
- 90 degree V-Groove center electrode allows the spark to occur closer to the outside of both the center and ground electrodes for better flame expansion and improved ignitability
- Ton's spark plugs are tested to the highest OEM original equipment standards
- 14mm Thread, .708" reach, 5/8" Hex
- Stock heat range plug for LS7, LS9, LSA engines. One step colder than stock heat range for all other LS engines.
- Replaces NGK TR6IX #3689 ACDelco 41-812, ACDelco 41812, Autolite XP103, Denso 5326, Denso I26, Denso IT20, Denso IT20TT, Motorcraft AWSF22E
LS1 LS2 LS3 LS6 LM7 LS7 LS9 L33 LFA LSA LH6 LQ4 LQ9 L76 L92 L99 L96 LC9 LY6 LMG LH8 LR4 LM4 L59 L77