Hays Classic Clutch Kits offer you a high-performance clutch upgrade from a stock clutch. Available for a variety of applications.

Hays Street 450 single disc kits are an excellent upgrade offering up to 30% more holding power over your stock clutch. Designed handle stock to mildly modified engines up to 450 horsepower. This is a great clutch where drivability is the most important factor along with a stock pedal feel.

Hays Street 650 single disc kits are designed handle highly modified naturally aspirated engines up to 650 horsepower. Designed as a true street/strip clutch for spirited high performance driving or frequent track use.

Hays Diesel 650 Clutch Kits are designed handle Diesel engines with up to 650 ft. lbs. torque. Kits features a matched pressure plate and a heavy duty, high torque steel back clutch disc to allow smooth and positive engagement for street, towing, or heavy hauling applications. Available for Dodge 5.9L Cummins Diesel and Ford 6.0L/7.3L Power Stroke Diesel engines

The clutch system on most late-model vehicles use a plastic clutch hose that is tough to modify when doing an engine swap. These adapters eliminate the OEM plastic hose & allow the use of PTFE Lined clutch hose.

Hays Diesel 850 Clutch single disc clutch kits are an excellent upgrade from your current clutch and designed handle Diesel engines with up to 850 ft. lbs. torque or 100-200 horsepower above stock. The Diesel 850 kit features a matched pressure plate and a heavy duty, high torque ceramic button-style clutch disc.

Hays bulletproof billet flywheels are developed specifically for the high-RPM punishment of competition use. Steel and aluminum flywheel applications available for many transmission and engine combinations.

Hays Hot Street Clutch Kits are a must for Street/Strip applications that want a Daily Driver Pedal Feel but plenty of Grip for the Strip. These Kits include a Billet Flywheel, diaphragm style pressure plate and 1 or 2 organic clutch discs.

Experience the benefits of a modern hydraulic clutch system with improved drivability and reduced maintenance requirements with Holley's new line of hydraulic clutch conversion kits.

Hays offer both hydraulic and mechanic bearings to cover any solution for street and race clutches from extreme spring pressure to punishing high RPM use.