All Moroso spark plug wires feature silicone plug boots that withstand high temperatures (up to 600°),  and have a silicone jacket to reduce heat and chaffing and locking stainless steel terminals that stay connected under high vibration.

Suppression

Designed to meet or exceed original equipment specifications.

• Glass center core offers high tensile strength
• Mesh pull tape provides extra strength

 Spiral Core

The combination of Moroso’s engineering and rigorous testing yields the finest 8mm, 800 ohm wire available.

• Nylon tape provides unbeatable pull strength
• Kevlar center core offers ultra-high tensile strength
• Stainless steel alloy conductor greatly improves spark energy

Ultra 40

Ultra 40 motorcycle ignition wire is the ultimate replacement for your bike.

• 8.65mm diameter, 40 ohms per foot resistance
• Kevlar center core offers ultra-high tensile strength
• Extra thick EPDM layer (prevents high voltage loss) provides even greater spark energy transfer than conventional ignition wires