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Hays Performance Flywheel 12-735HYS

Hays Performance Flywheel 12-735HYS
$683.99 ea
NEWBackordered until 11/26/2023
Model: 4006805
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
STANDARD
DELIVERY
Hays billet steel flywheels are manufactured from certified billet material that will not break up under the stress of high RPM and severe punishment of racing. Available in weights up to 50 pounds for specialized applications, most Hays flywheels are drilled with both the Borg and Beck and long-style clutch patterns. Hays flywheels are certified under SFI spec 1.1.
Features:
  • Certified Billet Material
  • Meets SFI Spec 29.1 For Racing
  • Precision Balanced To Either Internal Or External Specs
  • Limited 90 Day Warranty
Holley Performance Emission Code 5: This part is legal for sale or use on Emissions Controlled Vehicles; Uncontrolled (Non-Emissions Controlled) Vehicles; and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations
About Hays

Drag racing's biggest stars have relied on Hays clutches since SEMA Hall of Famer Bill Hays decided back in 1958 that there had to be a way to build one that could stand up to racing's unimaginable power and torque. Now part of Holley Performance, Hays continues to develop complete clutch kits for an infinite number of high-performance applications, pressure plates for precise gear changes, clutch discs for smooth, chatter-free engagement, and flywheels and flexplates ideal for today's vehicles.

Downloads:

Download Name File Size
hays_instructions_installation_troubleshooting_clutches_flywheels.pdf276.41KB

Vehicle Fitment:

The Vehicle Fitment Guide is to be used as a general reference. The data has been provided by our suppliers and manufacturers and may contain errors or incorrect data. Always refer to a professional to verify correct fitment for your vehicle.
Make Model Years Engine Fitment Notes
Ford Mustang II 1975 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang II 1976 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang II 1977 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang II 1978 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1964 4.7L / 289 / V8
4.3L / 260 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1965 4.7L / 289 / V8
4.3L / 260 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1966 4.7L / 289 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1967 4.7L / 289 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1968 4.7L / 289 / V8
5.0L / 302 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1969 5.0L / 302 / V8
5.8L / 351 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1970 5.0L / 302 / V8
5.8L / 351 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1971 5.0L / 302 / V8
5.8L / 351 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1972 5.0L / 302 / V8
5.8L / 351 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1973 5.0L / 302 / V8
5.8L / 351 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1979 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1983 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1984 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Ford Mustang 1985 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Capri 1966 4.7L / 289 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Capri 1967 4.7L / 289 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Capri 1979 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Capri 1982 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Capri 1983 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Capri 1984 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Capri 1985 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1967 4.7L / 289 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1968 4.7L / 289 / V8
5.0L / 302 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1969 5.8L / 351 / V8
5.0L / 302 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1970 5.8L / 351 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1971 5.8L / 351 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1972 5.8L / 351 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1973 5.8L / 351 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1974 5.8L / 351 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1975 5.8L / 351 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1976 5.8L / 351 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1977 5.8L / 351 / V8
5.0L / 302 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1978 5.0L / 302 / V8
5.8L / 351 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1979 5.0L / 302 / V8
5.8L / 351 / V8		 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1980 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1981 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1983 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1984 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1985 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1986 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1987 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.
Mercury Cougar 1988 5.0L / 302 / V8 Steel; External Balance; 164 Tooth; 30 lbs.

Specifications:

# of Teeth 164
Application Ford
Center Bore (Register Diameter) 1.750"
Emission Code 5
Engine Small Block Ford
Engine Balance External
Finish Steel
Material Steel
Part Type Clutch Flywheel
SFI Approved Yes
SFI Certification 1.1
SFI Certified 1.1
Tooth Quantity 164
Warranty Limited 90 Day Warranty TX

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