Ignition > Hardware, Fasteners and Fittings

U-Groove design provides better ignitability for increased engine efficiency.

Increased performance with World's smallest Iridium Center Eletrode (0.4mm).

Manufactured to the strictest OE performance, durability and emissions standards.

Increased performance with World's smallest Iridium Center Eletrode (0.4mm).

Manufactured to the strictest OE performance, durability and emissions standards.

Increased performance with World's smallest Iridium Center Eletrode (0.4mm).

U-Groove design provides better ignitability for increased engine efficiency.

Twin-Tip design enables faster flame propagation for more complete combustion.

Increased performance with World's smallest Iridium Center Eletrode (0.4mm).

U-Groove design provides better ignitability for increased engine efficiency.

Durability of an OE style plug combined with Power & Torque of high performance.

Manufactured to the strictest OE performance, durability and emissions standards.

U-Groove design provides better ignitability for increased engine efficiency.

Manufactured to the strictest OE performance, durability and emissions standards.

U-Groove design provides better ignitability for increased engine efficiency.

Manufactured to the strictest OE performance, durability and emissions standards.

Manufactured to the strictest OE performance, durability and emissions standards.

Manufactured to OEM quality standards.

Increased performance with World's smallest Iridium Center Eletrode (0.4mm).

Manufactured to OEM quality standards.

No-compromise, top of the line race spark plug for the most serious enthusiast.

U-Groove design provides better ignitability for increased engine efficiency.

U-Groove design provides better ignitability for increased engine efficiency.

Increased performance with World's smallest Iridium Center Eletrode (0.4mm).