Brand new, genuine NGK. Ignition wire set for all Holden and HSV LS2, LS3, LS7, L76, L77, L98, 6.0, 6.2, 7.0L V8 motors. Compatible with NGK RC-HLK816S. Latest technology in spark plugs. Compatible with OEM applications. NGK Laser Iridium IZTR5B11. NGK Laser Platinum PZTR5A-15. NGK Laser Platinum PTR5D-10. NGK Iridium IX TR5IX. NGK V-Power TR5; and. DENSO IT16, IT16TT, VT16. If unsure of fit message with your rego & state, or exact make and model and we will confirm. About Ruthenium HX Spark Plugs. Please see listing photos for comparison of Ruthenium HX spark plugs vs existing technologies. NGK Spark Plugs is introducing the latest technology in high ignitability spark plugs to the automotive aftermarket: NGK Ruthenium HXT. Ruthenium HXT spark plugs. The ultimate high ignitability spark plugs from NGK. Modern engines demand spark plugs that provide top performance while enduring the most severe conditions. NGK Ruthenium technology provides maximum durability and performance in newer engines where greater ignition efficiency is demanded. Modern engine designs utilize advanced technologies to create more power with less fuel. This results in greater heat and pressure in the combustion chamber, which shortens the life the spark plug. In response, NGK created Ruthenium HXT, a high ignitability spark plug with outstanding service life. Patented high ignitability DFE and PSPE tip designs provide the most efficient and complete fuel burn of any aftermarket plug, resulting in quicker throttle response, smoother idle and better cold starts. NGK’s Ruthenium alloy technology provides superior oxidation resistance, delivering unparalleled durability and outstanding service life. Patented OEM designs meet the demands of modern high heat engines. Ruthenium HXT contains all the features that enthusiasts expect from NGK spark plugs, including a high grade alumina silicate ceramic, trivalent plated, cold rolled threads, and the highest quality manufacturing and testing. About NGK Wire Sets. NGK is the Ignition Specialist with more OE expertise globally than any other brand. With over 80 years of automotive experience, NGK’s family of automotive products are driven by extreme dedication to innovation, performance and quality. NGK wire sets have a high density, premium fiberglass braiding reinforcement over EPDM / silicone inner insulation for superior dielectric strength and excellent cable tensile strength. They provide superior firing and fuel savings, outstanding durability, excellent noise suppression, and consistent performance. Constructed with stainless steel terminals and a silicone seal at the spark plug boot. Fiberglass stranded core, made from the same family of materials used in bullet proof vests. This core greatly enhances the overall strength of the wire, providing a super strength backbone on which the various layers of the wire assembly are formed. The core gives protection from damage caused by the pulling strains that wires are often subjected to and that can destroy their performance. High quality EPDM and Silicone coverings are used to resist high heat, oil and chemical damage for increased durability. Custom designed terminal boots are always used to provide exact fit. Each NGK ignition wire is fitted with a positive locking, corrosion resistant stainless steel terminal end for tight fit and maximum resistance to vibration and separation. These products are direct-imported from an authorised NGK supplier in the USA. Domestic buyers are also protected by Australian consumer law.