This spring is at least 20% stronger than the stock spring!!
ALTO Carbonite Clutch Kit - Packs Carbonite BIG Twin 98-ON — Harley-Davidson Softail Heritage Classic, Softail Fat Boy, Dyna Wide Glide (1997-2017)
ALTO Carbonite clutch kit for Big Twin engines 1998 and newer, featuring proprietary Carbonite friction material engineered for maximum heat resistance and durability. Designed for high-performance and racing applications, it maintains engagement even under extreme slip conditions and comes backed by a lifetime warranty.
Features
- Carbonite® friction material with superior coefficient of friction
- Higher temperature capacity than organic clutches
- Single-side extra capacity design reduces heat buildup
- Additional friction and steel elements increase surface area and thermal conductivity
- Balanced temperature management with rapid heat dissipation
- Decreases wear while extending clutch life
Specifications
- Brand: ALTO
- Manufacturer Part #: 095750NC
- Length: 7.8 in
- Width: 7.3 in
- Height: 2 in
- Weight: 2.28 lbs
Fitment
Fits Harley-Davidson Big Twin engines 1998 and newer. Recommended for high-performance riding, racing, and demanding street use.
Frequently Asked Questions
Is this clutch suitable for street riding or only racing?
It excels in both. Carbonite material is popular with police drill teams and racers for its ability to slip under extreme conditions while maintaining durability.
Why does ALTO use Carbonite instead of organic material?
Carbonite offers superior heat resistance, a higher coefficient of friction, and maintains performance even under prolonged slip — ideal for high-demand riding.
Does this kit come with a warranty?
Yes — ALTO backs all Carbonite clutch kits with a lifetime warranty.
Will this clutch run hotter than stock?
No — the extra friction and steel elements, combined with single-side capacity design, improve heat dissipation and maintain balanced operating temperature.
Does this fit my specific Big Twin model year?
This part fits all Big Twin engines from 1998 onward. Confirm your engine displacement and year before ordering.
| BRAND | ALTO |
| TYPE | Clutch |
| SKU | 810-4104 |
| WEIGHT | 2.28 lb |