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Transmission and Drivetrain technical support

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Transmission ID Charts

Discontinued Shifter Stick Diagrams (For Reference Only)

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    FAQ's

    • Question
      What is the difference in the Borg & Beck, Diaphragm and Long-Style pressure plates?
      Answer
      The Diaphragm style is a multi-finger plate that takes less pedal pressure to release. The Borg & Beck and Long-Style are 3 finger plates that provide a higher clamping force.
      Helpful?
    • Question
      What Hays flywheel do you recommend for my engine and what size Hays clutch can I use with it?
      Answer
      Hays offers stock size and weight as well as custom applications built to order.
      Helpful?
    • Question
      Why can't I get my clutch to release and shift properly after it is completely installed?
      Answer
      This is typically means the clutch needs adjustment. Adjustment procedures vary by vehicle and can be found in most service manuals.
      Helpful?
    • Question
      What starter do I use with Hays flywheels?
      Answer
      Most starters use stock or stock style unless otherwise specified.
      Helpful?
    • Question
      Which clutch kit to you recommend for my street/strip muscle car?
      Answer
      Street/strip clutches are available for most applications and can be found in our Hays catalog.
      Helpful?
    • Question
      Why do I need to use a SFI-certified steel flywheel instead of a cast iron flywheel?
      Answer
      High performance applications must meet elevated performance requirements.
      Helpful?
    • Question
      Do you sell hydraulic release bearing or hydraulic throwout bearings for my clutch?
      Answer
      Sorry, we do not offer a hydraulic bearing at this time.
      Helpful?
    • Question
      How much static pressure clamp force do your Hays clutch pressure plates give out?
      Answer
      Street applications are rated up to 2,400 lbs and street/strip applications are rated up to 2,750 lbs.
      Helpful?
    • Question
      Where do I need to send my flywheel back to in order to get it "recertified" for SFI?
      Answer
      Please refer to the "support" section of our website to fill out a repair form for recertification.
      Helpful?

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