- 2002-2005 WRX
- Fitment Notes: Includes Monoloc.
- Brand: ACT - Advanced Clutch Technologies
- Manufacturer's Part Number: SB9-HDG4
- Actual Weight: 16.2 Lbs
- Mechanism: Pull Type
- Installation Guide (PDF)
- Manufacturer's Warranty: 12 Months. ACT warrants all products to be free of defects in materials and workmanship for normal use and service for a period of one (1) year from retail purchase. Please see ACT's website for complete details.
- We ship internationally! Please email us for international shipping quotes.
- Torque Capacity: 555 Ft/Lbs.
- UPC: 842385021719
- GTIN: 00842385021719
- Condition: New Product
- Pilot Bearing Included?: Yes
- Kit Contents:
(1) Clutch Disc
(1) Pressure Plate
(1) Throwout Bearing
(1) Pilot Bearing
(1) Alignment Tool
- Throw Out Bearing Included?: Yes
- Alignment Tool Included?: Yes
SB9-HDG4 kit features ACT's most popular Heavy Duty pressure plate. 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 4-pad spring-centered race disc features a spring-center construction to properly damp torsional vibrations for quieter operation and resist failure even under harsh conditions. ACT spring retainers utilize wraparound spring windows and thicker retainer stampings to provide spring support, reduce stress concentrations, and increase strength and reliability. With the 4-pad spring-centered race disc, engagement is harsher, but shifting is faster. ACT's 4-pad spring-centered race disc is well-suited for smaller disc sizes in smaller engines. 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.
Feel: A low to moderate pedal feel; aggressive engagement with stock to low to moderate gear rattle. Monoloc provides uniform loading on the bearing and pressure plate to assure proper alignment, regardless of driver influence or vehicle modifications.
Life: Longer clutch life achieved through ACT's exclusive diaphragm design. Monoloc's hardened-Chromoly steel construction will provide years of service.
Quality: Premium ceramic friction materials provide low wear rates and high heat tolerance. The spring tension of the segmented retaining ring is carefully calculated and tested for optimal performance.
Recommended Use: Recommended for high horsepower street or race use
ACT Difference: All ACT pressure plates are dynamically computer balanced for smooth operation at high RPM. Monoloc is a one-piece, direct replacement or upgrade to the standard, two-piece wedge collar and wire ring featured in pull-type clutches.
4228218, AT90, PB1004, RB601, SB018
Torque Capacity (ft/lbs.): 550
Torque Increase Over O.E.: 70%
Product Weight (lbs.): 16.2
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