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Hays Billet Steel SFI Certified Flywheel, Small Block Ford 12-735HYS

Hays Billet Steel SFI Certified Flywheel, Small Block Ford 12-735HYS
$765.99 ea
NEWOut of stock with our supplier as of 06/06/2024
Model: 4006805
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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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. Clutch application notes: 10 inch, 10.5 inch Long 10 inch Diaphragm 10.5 inch Mustang Diaphragm with 8mm bolts 11 inch Long with 5/16 inch 11 inch Diaphragm - Ford Trucks Even Pattern
Features:
  • Hays Steel Flywheels are manufactured from certified billet material that will not break up under the stress of high RPM and severe punishment of racing.
  • Precision balanced to either neutral (internal) or Detroit (external) specifications
  • Meets SFI specification 1.1 for racing
  • Fits multiple clutch applications: 10 and 10.5 inch long, 10 inch diaphragm, 10.5 inch Mustang Diaphragm with 8mm bolts 11 inch long with 5/16 bolts, and 11 inch diaphragm Ford Truck Even Pattern
  • Fits 1963-1979 Ford Small Blocks: 289, 302, and 351 Cubic Inches
Clutch application notes: 10 inch, 10.5 inch Long 10 inch Diaphragm 10.5 inch Mustang Diaphragm with 8mm bolts 11 inch Long with 5/16 inch 11 inch Diaphragm - Ford Trucks Even Pattern
Installation Notes:
Clutch application notes: 10 inch, 10.5 inch Long 10 inch Diaphragm 10.5 inch Mustang Diaphragm with 8mm bolts 11 inch Long with 5/16 inch 11 inch Diaphragm - Ford Trucks Even Pattern

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 Submodel Years Engine
Ford Bronco Base 1966 4.7L / 289 / V8
Ford Bronco Base 1967 4.7L / 289 / V8
Ford Bronco Base 1968 5.0L / 302 / V8
4.7L / 289 / V8
Ford Bronco Base 1969 5.0L / 302 / V8
Ford Bronco Base 1970 5.0L / 302 / V8
Ford Bronco Base 1971 5.0L / 302 / V8
Ford Bronco Base 1972 5.0L / 302 / V8
Ford Bronco Base 1973 5.0L / 302 / V8
Ford Bronco Base 1974 5.0L / 302 / V8
Ford Bronco Custom 1975 5.0L / 302 / V8
Ford Bronco Custom 1976 5.0L / 302 / V8
Ford Bronco Custom 1977 5.0L / 302 / V8
Ford Bronco Custom 1978 5.8L / 351 / V8
Ford Bronco Custom 1979 5.8L / 351 / V8
Ford Bronco Custom 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford Bronco Northland 1975 5.0L / 302 / V8
Ford Bronco Northland 1978 5.8L / 351 / V8
Ford Bronco Ranger XLT 1978 5.8L / 351 / V8
Ford Bronco Ranger XLT 1979 5.8L / 351 / V8
Ford Bronco Ranger XLT 1980 5.8L / 351 / V8
5.0L / 302 / V8
Ford Bronco Ranger 1975 5.0L / 302 / V8
Ford Bronco Roadster 1968 5.0L / 302 / V8
4.7L / 289 / V8
Ford Bronco Roadster 1969 5.0L / 302 / V8
Ford Bronco Sport 1975 5.0L / 302 / V8
Ford Bronco Sport 1976 5.0L / 302 / V8
Ford Bronco Sport 1977 5.0L / 302 / V8
Ford Bronco Wagon 1968 4.7L / 289 / V8
5.0L / 302 / V8
Ford Bronco Wagon 1969 5.0L / 302 / V8
Ford Bronco Wagon 1970 5.0L / 302 / V8
Ford Bronco Wagon 1971 5.0L / 302 / V8
Ford Bronco Wagon 1972 5.0L / 302 / V8
Ford Bronco Wagon 1973 5.0L / 302 / V8
Ford F-100 Base 1965 4.7L / 289 / V8
Ford F-100 Base 1966 4.7L / 289 / V8
Ford F-100 Base 1967 4.7L / 289 / V8
Ford F-100 Base 1968 4.7L / 289 / V8
Ford F-100 Base 1969 4.7L / 289 / V8
5.0L / 302 / V8
Ford F-100 Base 1970 4.7L / 289 / V8
5.0L / 302 / V8
Ford F-100 Base 1971 4.7L / 289 / V8
5.0L / 302 / V8
Ford F-100 Base 1972 4.7L / 289 / V8
5.0L / 302 / V8
Ford F-100 Base 1973 5.0L / 302 / V8
Ford F-100 Base 1974 5.0L / 302 / V8
Ford F-100 Base 1976 5.0L / 302 / V8
Ford F-100 Base 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Base 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Base 1979 5.0L / 302 / V8
Ford F-100 Custom 1975 5.0L / 302 / V8
Ford F-100 Custom 1976 5.0L / 302 / V8
Ford F-100 Custom 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Custom 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Custom 1979 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Custom 1980 5.0L / 302 / V8
Ford F-100 Northland 1975 5.0L / 302 / V8
Ford F-100 Northland 1976 5.0L / 302 / V8
Ford F-100 Northland 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-100 Northland 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-100 Ranger Lariat 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Ranger Lariat 1979 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Ranger Lariat 1980 5.0L / 302 / V8
Ford F-100 Ranger XLT 1975 5.0L / 302 / V8
Ford F-100 Ranger XLT 1976 5.0L / 302 / V8
Ford F-100 Ranger XLT 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Ranger XLT 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Ranger XLT 1979 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-100 Ranger XLT 1980 5.0L / 302 / V8
Ford F-100 Ranger 1975 5.0L / 302 / V8
Ford F-100 Ranger 1976 5.0L / 302 / V8
Ford F-100 Ranger 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-100 Ranger 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-100 Ranger 1979 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-100 Ranger 1980 5.0L / 302 / V8
Ford F-100 XLT 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Base 1976 5.0L / 302 / V8
Ford F-150 Base 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-150 Base 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-150 Custom 1975 5.0L / 302 / V8
Ford F-150 Custom 1976 5.0L / 302 / V8
Ford F-150 Custom 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Custom 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Custom 1979 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Custom 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Northland 1975 5.0L / 302 / V8
Ford F-150 Northland 1976 5.0L / 302 / V8
Ford F-150 Northland 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Northland 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Ranger Lariat 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-150 Ranger Lariat 1979 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-150 Ranger Lariat 1980 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-150 Ranger XLT 1975 5.0L / 302 / V8
Ford F-150 Ranger XLT 1976 5.0L / 302 / V8
Ford F-150 Ranger XLT 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-150 Ranger XLT 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-150 Ranger XLT 1979 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-150 Ranger XLT 1980 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-150 Ranger 1975 5.0L / 302 / V8
Ford F-150 Ranger 1976 5.0L / 302 / V8
Ford F-150 Ranger 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Ranger 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Ranger 1979 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 Ranger 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-150 XLT 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-250 Base 1969 5.0L / 302 / V8
Ford F-250 Base 1970 5.0L / 302 / V8
Ford F-250 Base 1971 5.0L / 302 / V8
Ford F-250 Base 1972 5.0L / 302 / V8
Ford F-250 Base 1973 5.0L / 302 / V8
Ford F-250 Base 1974 5.0L / 302 / V8
Ford F-250 Base 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Base 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Custom 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Custom 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Custom 1979 5.8L / 351 / V8
Ford F-250 Custom 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Northland 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-250 Northland 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-250 Ranger Lariat 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Ranger Lariat 1979 5.8L / 351 / V8
Ford F-250 Ranger Lariat 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Ranger XLT 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Ranger XLT 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Ranger XLT 1979 5.8L / 351 / V8
Ford F-250 Ranger XLT 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Ranger 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Ranger 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 Ranger 1979 5.8L / 351 / V8
Ford F-250 Ranger 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-250 XLT 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 Base 1965 5.0L / 302 / V8
Ford F-350 Base 1966 5.0L / 302 / V8
Ford F-350 Base 1967 5.0L / 302 / V8
Ford F-350 Base 1968 5.0L / 302 / V8
Ford F-350 Base 1969 5.0L / 302 / V8
Ford F-350 Base 1970 5.0L / 302 / V8
Ford F-350 Base 1971 5.0L / 302 / V8
Ford F-350 Base 1972 5.0L / 302 / V8
Ford F-350 Base 1973 5.0L / 302 / V8
Ford F-350 Base 1974 5.0L / 302 / V8
Ford F-350 Base 1975 5.0L / 302 / V8
Ford F-350 Base 1976 5.0L / 302 / V8
Ford F-350 Base 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 Base 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 Base 1979 5.0L / 302 / V8
Ford F-350 Base 1980 5.0L / 302 / V8
Ford F-350 Custom 1975 5.0L / 302 / V8
Ford F-350 Custom 1976 5.0L / 302 / V8
Ford F-350 Custom 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-350 Custom 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-350 Custom 1979 5.8L / 351 / V8
Ford F-350 Custom 1980 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-350 Northland 1975 5.0L / 302 / V8
Ford F-350 Northland 1976 5.0L / 302 / V8
Ford F-350 Northland 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-350 Northland 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-350 Ranger Lariat 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-350 Ranger Lariat 1979 5.8L / 351 / V8
Ford F-350 Ranger Lariat 1980 5.8L / 351 / V8
5.0L / 302 / V8
Ford F-350 Ranger XLT 1975 5.0L / 302 / V8
Ford F-350 Ranger XLT 1976 5.0L / 302 / V8
Ford F-350 Ranger XLT 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 Ranger XLT 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 Ranger XLT 1979 5.8L / 351 / V8
Ford F-350 Ranger XLT 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 Ranger 1975 5.0L / 302 / V8
Ford F-350 Ranger 1976 5.0L / 302 / V8
Ford F-350 Ranger 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 Ranger 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 Ranger 1979 5.8L / 351 / V8
Ford F-350 Ranger 1980 5.0L / 302 / V8
5.8L / 351 / V8
Ford F-350 XLT 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford Falcon Sedan Delivery Base 1964 4.7L / 289 / V8
Ford Falcon Sedan Delivery Base 1965 4.7L / 289 / V8
Ford Ranchero 500 XL 1967 4.7L / 289 / V8
Ford Ranchero 500 1967 4.7L / 289 / V8
Ford Ranchero 500 1968 5.0L / 302 / V8
Ford Ranchero 500 1969 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero 500 1970 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero 500 1971 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero 500 1972 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero 500 1973 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero 500 1974 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero 500 1975 5.8L / 351 / V8
Ford Ranchero 500 1976 5.8L / 351 / V8
Ford Ranchero 500 1977 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero 500 1978 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero 500 1979 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero Base 1965 4.7L / 289 / V8
Ford Ranchero Base 1966 4.7L / 289 / V8
Ford Ranchero Base 1967 4.7L / 289 / V8
Ford Ranchero Base 1968 5.0L / 302 / V8
Ford Ranchero Base 1969 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero Base 1970 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero Base 1971 5.8L / 351 / V8
5.0L / 302 / V8
Ford Ranchero Custom 1966 4.7L / 289 / V8
Ford Ranchero GT 1968 5.0L / 302 / V8
Ford Ranchero GT 1969 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero GT 1970 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero GT 1971 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero GT 1972 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero GT 1973 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero GT 1974 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero GT 1975 5.8L / 351 / V8
Ford Ranchero GT 1976 5.8L / 351 / V8
Ford Ranchero GT 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero GT 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero GT 1979 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero Squire 1970 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero Squire 1971 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero Squire 1972 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero Squire 1973 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero Squire 1974 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero Squire 1975 5.8L / 351 / V8
Ford Ranchero Squire 1976 5.8L / 351 / V8
Ford Ranchero Squire 1977 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero Squire 1978 5.0L / 302 / V8
5.8L / 351 / V8
Ford Ranchero Squire 1979 5.0L / 302 / V8
5.8L / 351 / V8

Specifications:

# of Teeth 164
Application Ford
Center Bore (Register Diameter) 1.750"
Clutch Disc Diameter 10, 10.5, 11 inch
Emission Code 5
Engine Small Block Ford
Engine Balance 28 oz. external
Material Steel
Part Type Clutch Flywheel
Product Type Flywheels
SFI Approved Yes
SFI Certification 1.1
SFI Certified 1.1
Warranty Limited 90 Day Warranty TX, Limited 90 Day Warranty
Weight 32Lbs

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