Heavy Duty Clutch Springs
| Horsepower Rating | ||
|---|---|---|
| Red Spring | Yellow Spring | |
| Fiber Disk | 20 HP | 30 HP |
| Metallic Disk | 40 HP | 50 HP |
| HD Metallic Disk | 50 HP | 75 HP |
| SHD Metallic Disk | 90 HP | 120 HP |
We do not drill another hole in Driveshaft, we secure spring with a split collar Part # 51086. We use one behind a red spring and two behind the yellow spring.