8 x Ruthenium for HSV 6.0L 7.0L LS2 LS7 V8 R8 GTO Signature Iridium+
HSV Avalanche, Clubsport, Coupe, Grange, GTS, Maloo, Senator, SV300, SV6000, W427. 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.