Estima ACR50W ACR55W May 2012〜 Champion Iridium Plug NGK Equivalent 9001 4-Piece Set

CHAMPION Iridium Spark Plugs – 4 Piece Set

Features:

• High Ignitability: Achieves excellent ignition performance with a φ0.7mm fine wire center electrode.
• Durability: Uses iridium for the center electrode and platinum pad for the ground electrode, guaranteeing 100,000 km durability – approximately 5 times longer than standard spark plugs