Advanced Clutch SB9-HDSS | Transmission Clutch Kit

Part Number
HD-M/Perf Street Sprung

Fits: 91-94 Subaru Legacy, 02-05 Subaru Impreza, 04-05 Subaru Baja, 04-05 Subaru Forester, 08-09 Subaru Legacy, 05 Saab 9-2X

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Estimated Ship Date: 1 Business Day or Less
"Excellence in Performance", backed by the best one-year warranty in the industry!

BRAND: Advanced Clutch


  • Light to moderate pedal effort, smooth positive engagement, OE to mild gear rattle, confidence during hard shifts; Longer friction life, extended by ACT's exclusive diaphragm design, dramatic improvement in release mechanism life; Carefully engineered, precisely assembled, accurately balanced, with premium organic friction materials for heat tolerance and reduced fade, major improvement in release mechanism; Recommended for street and race use; 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability, includes ACT's patented Monoloc
  • Clutch Kit
  • clutch kit;pressure plate;heavy duty;spring-centered;street disc;monoloc;sprung disc;sprung hub
  • HD-M/Perf Street Sprung
  • HD-M/Perf Street Sprung
  • ACT HD-M/Perf Street Sprung Kit
  • HD-M/Perf Street Sprung
  • SB9-HDSS kit features ACT's most popular Heavy Duty pressure plate and most popular street disc. ACT Heavy Duty pressure plates use exclusive diaphragm design to increase clamp load, reduce deflection and maximize clutch life. All diaphragms endure a four-stage, heat-treating process for unparalleled performance. ACT pressure plates have precision cover stampings to provide rigidity and consistency. ACT's Performance street discs are the most popular disc purchased. They feature premium organic materials with high copper content for better heat transfer and steel-backed lining for greater burst strength and durability. These discs feature a reduced marcel for faster shift action to complement ACT pressure plates. Quiet operation with increased strength and reliability. Monoloc is a one-piece, direct replacement or upgrade to the standard, two-piece wedge collar and wire ring featured in pull-type clutches. The spring tension of the segmented retaining ring is carefully calculated and tested for optimal performance. It provides uniform loading on the bearing and pressure plate to assure proper alignment, regardless of driver influence or vehicle modifications. Monoloc's hardened chrome-moly steel construction will provide years of service.


Alignment Tool IncludedYes
Clutch Disc Diameter9
Clutch Disc Diameter228
Disc MaterialOrganic
Input Shaft Diameter1
Input Spline Quantity24
Part Fitment RequirementIncludes Monoloc.
Pilot Bushing IncludedYes
Pressure Plate TypeHeavy Duty
Product Weight (lbs.)16.3
Release Bearing IncludedYes
TitleACT HD-M/Perf Street Sprung Kit
Torque Capacity (ft/lbs.)434
Torque Capacity Over OE27%



  • WARRANTY TIME: 12 Months


    • Comp Clutch: 15029-2100
    • McLeod: 15802HD
    • SPEC: SU002
    • Centerforce: DF012124
    • McLeod: 15802HD
    • McLeod: 762641
    • Comp Clutch: 15029-2100
    • Centerforce: DF012124
    • Clutch Masters: FX100 15016-HD00
    • SPEC: SU002
    • Clutch Masters: FX100 15016-HD00
    • McLeod: 762641


    • 2003-2005 Subaru Impreza
    • 1991-1994 Subaru Legacy
    • 2008-2009 Subaru Legacy
      • Designed for use with stock dual-mass flywheel.
    • 2004-2005 Subaru Baja
    • 2004-2005 Subaru Forester
      • 230mm. Must use with ACT flywheel or 03 to 05 WRX flywheel.
    • 2005-2005 Saab 9-2X
    • 2002-2002 Subaru Impreza
      • Must be used with ACT flywheel or 2003 to 2005 WRX flywheel.
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