IK20 - High Performance Plug
Ground Electrode Tappered Cut with U-Groove
Centre Electrode 0.4mm Iridium Alloy Tip
Average Longevity 15,000-20,000km
Air Gap 1.1mm
SK20R11 - Long Life Plug
Ground Electrode with Platinum Tipped
Centre Electrode 0.7mm Iridium Alloy Tip
Average Longevity 100,000km
Air Gap 1.1mm
Genuine replacement part for most Toyota High Performance Vehicle.