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  • ACT 4-Pad Rigid HD Racing Clutch Kit w/Prolite Flywheel | 2013-2020 BRZ/FR-S/86 (SB8-HDR4)
  • ACT Clutch 1 Year Manufacturer Warranty
  • ACT 4-Pad Rigid HD Racing Clutch Kit w/Prolite Flywheel | 2013-2020 BRZ/FR-S/86 (SB8-HDR4)

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    ACT Clutch Kits & Flywheels

    ACT 4-Pad Rigid HD Racing Clutch Kit w/Prolite Flywheel | 2013-2020 BRZ/FR-S/86

    PART# ACT SB8-HDR4
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    Give us a call to get the best prices and parts for your build. Or, just call us with a cool racing story...either way we're here.

    Email - sales@maperformance.com

    Phone 1-888-627-3736



    $ 579.60   $ 828.00
    Limited Time Savings of 30% ($ 248.40)

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    2013-2017 BRZ/FR-S/86 ACT 4-Pad Rigid HD Prolite Racing Clutch Kit

    SB8-HDR4 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 rigid race discs are made with high quality, ceramic friction materials. The chrome-moly hub is heat-treated for strength and durability. The lightweight, rigid design allows for quicker shifts and smooth, trouble-free service. With the 4-pad rigid race disc, engagement is harsher, but shifting is faster. The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines.

    Features

    • Light to moderate pedal effort, aggressive engagement, increased gear rattle
    • Moderate friction life, extended by ACT's exclusive diaphragm design, rigid design may increase spline wear
    • Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance
    • 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

    Specifications

    • Part Number: SB8-HDR4
    • Description: HD/Race Rigid 4 Pad
    • Torque Capacity (ft/lbs.): 345
    • Torque Capacity Over OE: 1.17
    • Flywheel Tooth Count: 124
    • Disc Type: Race Disc
    • Spline Count: 24
    • Spline Size (in.): 1
    • Disc Diameter (in.): 8.8
    • Disc Diameter (mm.): 224
    • Pressure Plate Type: Heavy Duty
    • Product Weight (lbs.): 23.4

    Please Note:

    • Must use ACT Flywheel (Included in kit)
    • Recommended for race use only

     

    Applications

    • 2013-2016 Scion FR-S
    • *Conversion kit - Includes ACT Prolite flywheel.
    • 2013-2020 Subaru BRZ
    • *Conversion kit - Includes ACT Prolite flywheel.

    Installation Instructions

    What's in the box?

    • 1 - 4224018 - 4 Pad Rigid Race Disc
    • 1 - 600700 - XACT Flywheel Prolite
    • 1 - AT90 - Alignment Tool
    • 1 - PB1004 - Pilot Bearing
    • 1 - RB004 - Release Bearing
    • 1 - SB017 - P/PL Heavy Duty

    2013-2017 BRZ/FR-S/86 ACT 4-Pad Rigid HD Prolite Racing Clutch Kit

    SB8-HDR4 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 rigid race discs are made with high quality, ceramic friction materials. The chrome-moly hub is heat-treated for strength and durability. The lightweight, rigid design allows for quicker shifts and smooth, trouble-free service. With the 4-pad rigid race disc, engagement is harsher, but shifting is faster. The 4-pad rigid race disc is well-suited for the smaller disc sizes in smaller engines.

    Features

    • Light to moderate pedal effort, aggressive engagement, increased gear rattle
    • Moderate friction life, extended by ACT's exclusive diaphragm design, rigid design may increase spline wear
    • Carefully engineered, precisely assembled, accurately balanced, uses select ceramic friction materials for high heat tolerance and maximum performance
    • 100% clamp load tested and dynamically computer balanced for smooth high RPM reliability

    Specifications

    • Part Number: SB8-HDR4
    • Description: HD/Race Rigid 4 Pad
    • Torque Capacity (ft/lbs.): 345
    • Torque Capacity Over OE: 1.17
    • Flywheel Tooth Count: 124
    • Disc Type: Race Disc
    • Spline Count: 24
    • Spline Size (in.): 1
    • Disc Diameter (in.): 8.8
    • Disc Diameter (mm.): 224
    • Pressure Plate Type: Heavy Duty
    • Product Weight (lbs.): 23.4

    Please Note:

    • Must use ACT Flywheel (Included in kit)
    • Recommended for race use only

     

    Applications

    • 2013-2016 Scion FR-S
    • *Conversion kit - Includes ACT Prolite flywheel.
    • 2013-2020 Subaru BRZ
    • *Conversion kit - Includes ACT Prolite flywheel.

    Installation Instructions

    What's in the box?

    • 1 - 4224018 - 4 Pad Rigid Race Disc
    • 1 - 600700 - XACT Flywheel Prolite
    • 1 - AT90 - Alignment Tool
    • 1 - PB1004 - Pilot Bearing
    • 1 - RB004 - Release Bearing
    • 1 - SB017 - P/PL Heavy Duty

    Customer Reviews

    Based on 1 review
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    N.S.
    Amazing!!

    This kit is very well made and the customer service is excellent. Mike was very knowledgeable and extremely friendly. The pedal feel is not to heavy and the bite is pretty aggressive.

    MAP Limited Lifetime Warranty

    1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

    2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

    3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

    4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

    For warranty evaluation please create a support ticket via this form here.

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