Moroso Ultra 40 Red Ignition Wire Set - Harley Sportster 2004-2006
About Moroso
Moroso has manufactured racing components in Connecticut since 1968, supplying engine, chassis and shop products developed through motorsport.
Ensure a consistent, powerful spark for your 2004-2006 Harley Sportster with the Moroso High Performance Ultra 40 ignition wire set. These wires are engineered to deliver optimal spark energy, crucial for reliable engine performance and efficiency.
Why riders pick this
- Optimal 40 ohms per foot resistance
- DuPont Kevlar core for enhanced durability
- 600°F rated high-temperature silicone boots
- Nickel copper alloy conductors for strong spark
- Extra-thick EPDM insulation layer
- Locking stainless steel plug terminals
For Sportster riders looking to optimize their ignition system, the Moroso High Performance Ultra 40 ignition wire set provides a significant upgrade. Designed to minimize resistance and maximize spark delivery, these wires contribute to more complete combustion, smoother throttle response, and overall improved engine performance on your V-twin.
Robust Construction for Demanding Rides
- Optimal 40 ohms per foot resistance for strong spark energy
- DuPont Kevlar core offers four times the strength of standard aramid
- High-temperature silicone boots rated to 600°F resist extreme engine heat
- Nickel copper alloy conductors ensure superior electrical flow
- Extra-thick EPDM insulation layer for greater dielectric strength
Seamless Compatibility and Lasting Quality
These Ultra 40 ignition wires are 100% compatible with Harley ION sensing ignition coils, making them a straightforward, bolt-on upgrade for 2004-2006 Sportster XL models. The locking stainless steel plug terminals are designed to maintain a secure connection, resisting the vibrations inherent to a V-twin engine. Invest in Moroso for ignition reliability that performs.
Specifications
- Brand: Moroso
- Manufacturer Part #: 28630
- UPC: 84663286308
- Resistance: 40 ohms per foot
- Conductor: Nickel copper alloy
- Diameter: 8.65mm
- Weight: 0.625 lbs
Common questions
Will these red ignition wires fit my 2004-2006 Sportster XL model?
Yes, this Moroso Ultra 40 set is specifically designed for 2004-2006 Harley-Davidson Sportster XL models equipped with ION sensing ignition coils. Always confirm fitment with our Shop by Bike tool.
Are these wires compatible with aftermarket ignition components?
These wires are engineered for 100% compatibility with Harley ION sensing ignition coils. If you have aftermarket coils or other ignition components, please verify their specific compatibility requirements.
What is the benefit of the high-temperature silicone boots?
The high-temperature silicone boots are rated to 600°F, providing excellent protection against the intense heat generated by your V-twin engine, preventing premature degradation and ensuring consistent spark delivery.
Ordering from Vtwinbikers
- Brand new, sourced through authorized US distribution — never used, never grey-market.
- Not sure it fits? Use Shop by Bike to filter by your year and model, or email us and we will confirm before you order.
- Harley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.
| BRAND | Moroso |
| TYPE | Electrical |
| SKU | 82-8300 |
| WEIGHT | 0.62 lb |
