Hays 39-604 - Hays Racing Clutches

Competition Borg & Beck Pressure Plates
Designed for competition Borg & Beck utilizes silicone springs, aluminum spring guides and cups, roller assist and heavy-duty eye bolts, with an explosion resistant ductile iron pressure ring. The flex-free cover is exclusively designed with 9-gauge steel for added strength.
Competition Long-Style Pressure Plate
The well recognized 6-bolt Long-Style competition pressure plate is available from Hays for shifting and non-shifting applications used in Chevrolet, Ford, and Mopar vehicles. This unit features one of the strongest 9-gauge steel flex-free covers available, in addition to silicone steel springs, spring guides, and an explosion resistent ductile iron pressure ring.
Competition Mark XII Pressure Plates
Hays Mark XII pressure plate is assembled with long-lasting silicone springs, welded spring cups, and an explosion-resistant ductile iron casting. This 12-bolt pressure plate is also available with adjustable levers for only the most serious competitors. Tire spin and driveline breakage are kept to a minimum with the use of spring adjusters which can soften clutch engagements. Static pressure can be varied from 2000 to 2600 lbs.
Lightweight Diaphragm Pressure Plate
For Circle Track racing, this 10.5'' diaphragm Pressure Plate features a lightweight billet aluminum pressure ring for lower inertia, allowing deeper, faster cornering and quicker acceleration out of the turns. The total pressure plate weight is only 12 lbs., six oz. - a full six pounds lighter than stock pressure plates. It has a steel cover for strength and provides easy pedal effort with 2750 pounds of plate load for excellent holding power. The aluminum pressure ring features a replaceable steel friction surface for long life. Bolt pattern is the same as 10.5'' Borg & Beck pressure plates.
Super Connector Sprung Hub Organic Discs
The Super Connector 49 series Clutch Disc from Hays provides the ultimate in clean, crisp competition shifts. Designed for the rigors of drag racing, the Super Connector utilizes a newly formulated superior strength lining material that maintains its friction coefficient as it heats up for superior engagement. The lining material, which is first bonded to an aluminum backing, is riveted to a high performance drive plate, which utilizes a custom forged center hub, eight torque absorbing springs to control driveline shock and a heat-treated backing plate with an eight pin drive design for superior strength.