FREQUENTLY ASKED QUESTIONS

What is the difference in the Borg & Beck, Diaphragm and Long-Style pressure plates?: 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.
What Hays flywheel do you recommend for my engine and what size Hays clutch can I use with it?: Hays offers stock size and weight as well as custom applications built to order.
Why can't I get my clutch to release and shift properly after it is completely installed?: This typically means the clutch needs adjustment. Adjustment procedures vary by vehicle and can be found in most service manuals.
What starter do I use with Hays flywheels?: Most starters use stock or stock style unless otherwise specified.
Which clutch kit to you recommend for my street/strip muscle car?: Street/strip clutches are available for most applications and can be found in our Hays catalog.
Why do I need to use a SFI-certified steel flywheel instead of a cast iron flywheel?: High performance applications must meet elevated performance requirements.
How much static pressure clamp force do your Hays clutch pressure plates give out?: Street applications are rated up to 2,400 lbs and street/strip applications are rated up to 2,750 lbs.