Moroso Ultra 40 Ignition Wire Set - Harley & Indian V-Twin
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, engineered for high performance V-twin applications. These wires are built to handle extreme heat and vibration, ensuring consistent power delivery for your Harley-Davidson or Indian Motorcycle.
Why riders pick this
- Designed for high-performance V-twin engines
- Robust silicone and DuPont Kevlar construction
- Optimized for superior spark energy transfer
- Fully compatible with Harley ION sensing coils
- Resists extreme heat and vibration
When you're chasing every last bit of power from your V-twin, a strong, consistent spark is non-negotiable. The Moroso Ultra 40 ignition wires are designed to deliver exactly that, featuring a robust construction that stands up to the demands of performance riding. They're built with high-temperature silicone and a DuPont Kevlar core, making them an ideal upgrade for riders looking to improve ignition efficiency and reliability.
Built for Demanding V-Twin Performance
- High-temperature silicone construction rated for extreme heat
- DuPont Kevlar core offers superior strength and durability
- Nickel copper alloy conductors for efficient spark energy transfer
- Compatible with Harley-Davidson ION sensing ignition coils
- Extra-thick EPDM layer enhances dielectric strength
Upgrade Your Ignition System
Whether you're running a stock setup or a fully built motor, reliable ignition is key to unlocking your V-twin's potential. The Moroso Ultra 40 wires ensure your spark plugs get the voltage they need, even under aggressive riding conditions. This set is a straightforward upgrade that complements other performance modifications, helping your engine run smoother and more powerfully.
Specifications
- Brand: Moroso
- Manufacturer Part #: 28332
- UPC: 84663283321
- Resistance: 40 ohms per foot
- Core Material: DuPont Kevlar
- Wire Diameter: 8.65mm
- Weight: 0.81 lbs
- Country of Origin: USA
Common questions
Are these ignition wires compatible with my Harley-Davidson's ION sensing system?
Yes, Moroso Ultra 40 wires are specifically engineered to be 100% compatible with Harley-Davidson ION sensing ignition coils, covering virtually all late-model bikes.
What makes these wires suitable for high-performance applications?
The Ultra 40 wires feature high-temperature silicone construction, a DuPont Kevlar core that's four times stronger than standard aramid, and nickel copper alloy conductors for superior spark energy transfer under extreme conditions.
Will installing these ignition wires change my bike's performance?
Upgrading to high-quality ignition wires like the Moroso Ultra 40 can contribute to more consistent spark delivery, which can lead to improved combustion efficiency and overall engine reliability.
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 | 82-8332 |
| WEIGHT | 0.81 lb |
