Champion Iridium - the ultimate element. This spark plug's fine-wire iridium center and platinum ground electrodes provide the sharpest spark focus for maximum performance.

• Replacement racing spark plug used by many professional car drivers
• Specifically designed with colder heat ranges than the factory plug to enable performance modifications and handle intense conditions
• Contains an Yttrium-enhanced alloy to enable up to 8% reduction in side wire temperature for improved durability and less pre-ignition
• Iridium center electrode delivers maximum life
• Fine-wire center electrode and V-trimmed for greater ignitability
• V-trimmed ground electrode promotes sharper spark focus
• Maintains stable operating temperature under all engine loads
• Thread Diameter: 0.472 in
• REach: 1.103 in
• Insulator Height: 0.08 in
• Hex Size: 0.625 in

Shipping Note: Shipping to Alaska, Hawaii, P.O. Boxes, and APO addresses is not available for this item

Warranty: 90 Day Woot Limited Warranty