Hays Street 650 single disc kits are designed handle highly modified engines up to 650 naturally aspirated horsepower (600HP for forced induction & nitrous combinations). Designed as a true Street/Strip clutch for spirited high performance driving or frequent track use.

The high performance disc utilized in the Street 650 has an 8-spring hub with encapsulated damper springs and a sintered metallic friction surface. The encapsulated spring can handle 3 times the shock load versus a standard coil spring.

Sintered metallic material provides a degree of slippage on vehicle launch to prevent violent engagement characteristics found in paddle-style metallic discs. Each kit includes pressure plate, clutch disc, throwout bearing, alignment tool, and instructions.

Features and Benefits:

• Designed for power levels up to 650 naturally aspirated horsepower (600 HP for forced induction/nitrous)
• True Street/Strip clutch kit for spirited street driving and frequent track use
• Pressure plate offers 30 percent more clamping force than stock
• Sintered metallic disc friction surface used for smoother engagement during vehicle launch
• Upgraded 8-spring hub with polyurethane encapsulated damper springs handles 3 times the shock load over standard disc springs
• All Street 650 clutch kits come complete with pressure plate, disc, throwout bearing, and alignment tool
• Available for GM, Ford, AMC, Jeep and Chrysler

Details:

• Alignment Tool Included: Yes
• Application: Ford
• Disc Diameter: 11
• Disc Material: Sintered Metallic
• Disc Style: Spring Hub
• Emission Code: 5
• Input Shaft Diameter: 1-1/8 Inch
• Input Spline: 26
• Max Horsepower Rating: 650
• Pilot Bushing Included: No
• Pressure Plate Style: Diaphragm
• Throwout Bearing I.D. (inches): 1.44
• Throwout Bearing Included: Yes
• Warranty: Manufacturer's Limited 90 Day Warranty

Application Summary:

1969-1973 Ford Mustang Base Shelby GT-350 Grande Boss 351 (Liter: 5.8, 6.4 & Engine(ci): 351, 390 & Cylinder: 8 & Block: V)