HKS 50003-M35-IL Spark plug Super Fire Racing (Long Reach) NGK 7 SUBARU EJ257/EJ255, AUDI RS6

Super Fire Racing (M series)

High quality HKS M series spark plugs are iridium spark plugs that provide the highest ignition quality.
One of the main advantages of these spark plugs is a long service life and a lower level of carbon formation.

HKS spark plug design:

• 0.6mm iridium alloy center electrode. thick;
• External electrode with platinum chip;
• Short outer electrode with vibration reduction function;
• Thermo-insulation.

Connector type: long
Thread size: 14 x 26.5, wrench size: 16, heating range: 7.