Moroso Ultra 40 Ignition Wire Set - Harley Softail
About Moroso
Moroso has manufactured racing components in Connecticut since 1968, supplying engine, chassis and shop products developed through motorsport.
Unleash maximum spark energy with the Moroso Ultra 40 Ignition Wire Set, specifically engineered for 2018-up Harley Softail models. These high-performance wires are designed to deliver a consistent, powerful spark, crucial for modern V-twin engines equipped with ION sensing ignition coils. Upgrade to Moroso for uncompromising ignition performance and reliability.
Why riders pick this
- Superior spark energy transfer for optimal combustion
- DuPont Kevlar core for unmatched strength and durability
- High-temperature silicone boots resist extreme engine heat
- Locking stainless steel terminals ensure secure connections
- 100% compatible with Harley ION sensing ignition coils
- Engineered for 2018-Up Milwaukee-Eight Softail models
When you're chasing every bit of power from your Milwaukee-Eight Softail, every component matters. The Moroso Ultra 40 Ignition Wire Set is built to transfer spark energy efficiently, ensuring your plugs fire strong and true. With advanced construction and materials, these wires stand up to the heat and vibration that can compromise lesser components, making them a solid upgrade for any performance-minded rider.
Engineered for Demanding V-Twin Performance
- Nickel copper alloy conductors ensure superior spark energy transfer
- DuPont Kevlar core provides exceptional strength, four times stronger than standard aramid
- Extra-thick EPDM dielectric layer offers enhanced insulation and protection
- High-temperature silicone boots are rated to withstand up to 600°F
- Locking stainless steel plug terminals ensure a secure connection
- Fully compatible with Harley-Davidson ION sensing ignition coils
Reliability for Modern Milwaukee-Eight Setups
The Moroso Ultra 40 wires are not just about raw performance; they're also about rock-solid reliability. Designed to integrate seamlessly with your Milwaukee-Eight Softail's advanced ignition system, these wires prevent misfires and maintain optimal combustion. Whether you're upgrading your stock setup or complementing a cam swap and dyno tune, these wires provide the consistent spark your engine demands, ride after ride.
Specifications
- Brand: Moroso
- Manufacturer Part #: 28645
- UPC: 84663286452
- Resistance: 40 ohms per foot
- Wire Diameter: 8.65mm
- Boot Type: High-temperature silicone
- Terminals: Locking stainless steel
- Weight: 1 lb
Common questions
Are these ignition wires compatible with my 2018-Up Harley Softail?
Yes, these Moroso Ultra 40 ignition wires are specifically designed for 2018-up Harley-Davidson Softail models equipped with ION sensing ignition coils.
Will these wires improve my bike's performance?
These wires are engineered for superior spark energy transfer, which can contribute to more efficient combustion and reliable engine operation, especially on performance-tuned Milwaukee-Eight bikes.
Do I need to make any modifications to install these wires?
No, these are a direct replacement for your factory ignition wires and are designed for straightforward installation on compatible Softail models.
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 | 82-8336 |
| WEIGHT | 1.0 lb |
