The Exedy Stage 1 Organic Clutch Kits use only premium friction materials that are resistant to slippage and burst. This clutch will have a slightly stiffer pedal than stock and will handle lightly modified builds. Great for a daily driver under 450 HP that might see a few passes at the track.
Vehicle Fitment:
• 2004-2020 Subaru STi
What’s the difference with the HD?
The HD has the “Heavy Duty” pressure plate with a little more clamping force and slightly heavier pedal feel. The HD can handle 472 TQ vs the standard version at 332 TQ.
Features:
• Street / Race
• Driveability is similar to the stock clutch
• Pedal efforts will be slightly higher because of the higher clamp loads
• Spring center dampers to reduce drivetrain shock
Includes:
• Pressure Plate
• Clutch Disc
• Throw Out Bearing
• Pilot Bearing
• Alignment Tool
15803HD Stage 1 Organic Subaru STi Clutch Kit
HD “Heavy Duty”
| Notes | Stage 1 Organic Clutch |
| Clamp Load | 3597 |
| Disc Diameter (Inches) | 9.4 |
| Disc Diameter (Millimeters) | 240 |
| Spline Count | 24 |
| Spline Size (Inches) | 1 |
| Spline Size (Millimeters) | 25.2 |
| Torque Capacity (ft/lbs.) | 472 |
15803 Stage 1 Organic Subaru STi Clutch Kit
| Notes | Stage 1 Organic Clutch |
| Clamp Load | 2536 |
| Disc Diameter (Inches) | 9.4 |
| Disc Diameter (Millimeters) | 240 |
| Spline Count | 24 |
| Spline Size (Inches) | 1 |
| Spline Size (Millimeters) | 25.2 |
| Torque Capacity (ft/lbs.) | 332 |
