Moroso High Performance Suppression Ignition Wire Set - Harley Sportster XL
About Moroso
Moroso has manufactured racing components in Connecticut since 1968, supplying engine, chassis and shop products developed through motorsport.
Enhance the ignition performance of your 1971-1978 Harley-Davidson Sportster with Moroso High Performance Suppression Ignition Wires. Featuring a glass-reinforced core and a durable silicone jacket, these wires deliver clean, reliable spark under demanding conditions.
Why riders pick this
- Glass center core with high tensile strength
- 8mm silicone jacket reduces heat and chafing
- Extra-thick EPDM insulation for greater dielectric strength
- Locking stainless steel plug terminals for secure fitment
- High-temperature silicone plug boots (600° rated)
- Nylon pull tape for terminal retention
For classic Sportster riders, maintaining a strong, consistent spark is crucial for optimal engine operation. Moroso High Performance Suppression Ignition Wires are engineered to provide just that, with advanced materials designed to resist the high heat and vibrations common to V-twin engines. This set ensures your spark plugs get the power they need, ride after ride.
Consistent Spark Delivery
- Glass center core offers high tensile strength for enhanced durability
- 8mm silicone jacket reduces heat buildup and prevents chafing
- Extra-thick EPDM insulation layer provides superior dielectric strength
- Locking stainless steel plug terminals ensure a secure, vibration-resistant connection
- High-temperature silicone plug boots are rated to 600°F for extreme heat protection
Built for Legacy Sportsters
This Moroso ignition wire set is specifically designed for 1971-1978 Harley-Davidson Sportster (XL) models, ensuring a precise fit and straightforward installation. While engineered for older models, these wires are also compatible with modern Harley ION sensing coils, offering versatility for custom setups. Invest in reliable ignition and keep your vintage Sportster running strong.
Specifications
- Brand: Moroso
- Manufacturer Part #: 27284
- UPC: 84663272844
- Core Type: Glass center core
- Jacket: 8mm silicone
- Terminals: Locking stainless steel
- Length: 8.5 in
- Width: 6.25 in
- Height: 1.35 in
- Weight: 0.211 lbs
Common questions
What years does this ignition wire set fit?
This Moroso High Performance Suppression Ignition Wire set fits 1971-1978 Harley-Davidson Sportster (XL) models.
Are these wires compatible with modern Harley ignition components?
Yes, in addition to fitting vintage Sportsters, these wires are also compatible with Harley ION sensing coils used on late-model bikes.
Will installing these wires improve my bike's starting?
By providing a cleaner and more consistent spark, these high-performance wires can contribute to more reliable starting, especially if your old wires were degraded.
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 | 82-7284 |
| WEIGHT | 0.21 lb |
