South Bend Clutch Stage 4 Extreme Clutch Kit - 2004-2021 Subaru STI / 2007-2009 Legacy GT spec B
South Bend Clutch Stage 4 Extreme Clutch Kit - 2004-2021 Subaru STI / 2007-2009 Legacy GT spec B
South Bend Clutch
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PRODUCT DETAILS
RallySport Direct proudly carries a great selection of quality clutch replacements to suit stock to highly modified vehicles brought to you by South Bend Clutch.
This is the South Bend Stage 4 Extreme Clutch Kit. This clutch kit has been designed for those of you with moderate upgrades and who need the right disc and pressure plate combination to hold the power down. The Stage 4 Extreme Clutch Kit is considered to be one of South Bend's more aggressive clutch offerings, and feature's their Heavy-Duty Pressure Plate that has been precision balanced to maintain a vibration-free operation at higher RPMs and to provide a maximum plate load. The pressure plate is combined with an aggressive puck-style spring-loaded disc to absorb the clutch and drivetrain vibration under drag, race, or rally use.
DETAILS:
- Designed with a high torque rating to sustain extreme conditions and race use
- Features an aggressive puck-style spring-loaded disc to absorb the clutch and drivetrain vibration under drag, race, or rally use
- The disc also features sintered iron and graphite impregnated ceramic construction
- Includes South Bend's Race Engineered Pressure Plate that has been precision balanced to maintain a vibration-free operation at higher RPMs
- Ideal for those of you with moderate upgrades and /or participate in racing or high-performance driving events
- The engagement characteristics are considered to be abrupt which is normal for an aggressive clutch
- Applications may vary, but this kit will also include a throw-out bearing, alignment tool, and pilot bearing for a complete kit
NOTES:
- For those of you using this particular clutch for drag racing purposes, South Bend recommends a single mass steel SFI approved flywheel to be used for safety reasons
- Some hydraulic systems may need enhancing for proper clutch separation
WHY WE CARRY THIS
We only list parts we’d run ourselves or recommend to a friend building a real car. If it feels vague, unverified, or inconsistent, it doesn’t make the cut.
- Fitment-first mindset — no “universal” roulette
- Brand reputation matters — we favor proven manufacturing
- Support that actually responds with real answers
WHAT TO EXPECT
This is the clean path: correct fitment, clean install, and results that match the intent.
- Install-ready experience with correct mounting where provided
- Finish that holds up to real driving, not just photos
- Selections on this page drive the exact fitment shipped
TRUST, BUILT INTO THE PROCESS.
Anyone can list parts. We curate what belongs on a serious build. Our goal is simple: fewer surprises, cleaner installs, and confidence when you hit “Buy.”
Fitment checked
We prioritize vehicle-specific listings and clear selection logic so you’re not gambling on compatibility.
Brand discipline
Proven manufacturing and consistent quality matter more than hype. We bias toward what actually holds up.
Real support
If you have a question, you’ll get a human answer that helps you finish the build — not a copy-paste shrug.
RallySport Direct proudly carries a great selection of quality clutch replacements to suit stock to highly modified vehicles brought to you by South Bend Clutch.
This is the South Bend Stage 4 Extreme Clutch Kit. This clutch kit has been designed for those of you with moderate upgrades and who need the right disc and pressure plate combination to hold the power down. The Stage 4 Extreme Clutch Kit is considered to be one of South Bend's more aggressive clutch offerings, and feature's their Heavy-Duty Pressure Plate that has been precision balanced to maintain a vibration-free operation at higher RPMs and to provide a maximum plate load. The pressure plate is combined with an aggressive puck-style spring-loaded disc to absorb the clutch and drivetrain vibration under drag, race, or rally use.
DETAILS:
- Designed with a high torque rating to sustain extreme conditions and race use
- Features an aggressive puck-style spring-loaded disc to absorb the clutch and drivetrain vibration under drag, race, or rally use
- The disc also features sintered iron and graphite impregnated ceramic construction
- Includes South Bend's Race Engineered Pressure Plate that has been precision balanced to maintain a vibration-free operation at higher RPMs
- Ideal for those of you with moderate upgrades and /or participate in racing or high-performance driving events
- The engagement characteristics are considered to be abrupt which is normal for an aggressive clutch
- Applications may vary, but this kit will also include a throw-out bearing, alignment tool, and pilot bearing for a complete kit
NOTES:
- For those of you using this particular clutch for drag racing purposes, South Bend recommends a single mass steel SFI approved flywheel to be used for safety reasons
- Some hydraulic systems may need enhancing for proper clutch separation
