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Hays Billet Steel SFI Certified Flywheel, Big Block Chevrolet 10-235

Hays Billet Steel SFI Certified Flywheel, Big Block Chevrolet 10-235
Hays Billet Steel SFI Certified Flywheel, Big Block Chevrolet 10-235Hays Billet Steel SFI Certified Flywheel, Big Block Chevrolet 10-235Hays Billet Steel SFI Certified Flywheel, Big Block Chevrolet 10-235Hays Billet Steel SFI Certified Flywheel, Big Block Chevrolet 10-235Hays Billet Steel SFI Certified Flywheel, Big Block Chevrolet 10-235
$843.99 ea
NEWARRIVING SOONEstimated Ship Date 05/29/2025 (If Ordered Today)3 Available from HOLLEY PERFORMANCE PRODUCTS as of 05/11/2025
Model: 4006748
Select a Vehicle or refer to the Vehicle Fitment Tab below to verify that this part fits your vehicle.
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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. The 30 pound flywheel fits the 454 Chevy with 2 piece rear main seal and has 168 tooth ring gear. The flywheel is drilled for 10.5 in Borg & Beck or diaphragm and 11 in Borg & Beck, diaphragm or long style pressure plates. S.F.I. 1.1 certified. External engine balance. Other weights and applications available.
Features:
  • Billet Steel
  • S.F.I. 1.1 Certified
  • 10.5 In Borg And Beck Or Diaphragm
  • 11 In Borg And Beck Diaphragm Or Long Style
  • Weight 31 Pounds

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 Fitment Notes
Chevrolet Chevelle Base 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Base 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Base 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Concours Estate 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Concours Estate 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Concours Estate 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Concours 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Concours 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Concours 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Deluxe 1973 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Greenbrier 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Greenbrier 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Greenbrier 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Malibu 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Malibu 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Malibu 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Nomad 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Nomad 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle Nomad 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle SS 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle SS 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle SS 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Chevelle 1970 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet Chevelle 1971 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet Chevelle 1972 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet Chevelle 1973 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet El Camino Base 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Base 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Base 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Base 1973 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Base 1974 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Base 1975 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Custom 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Custom 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Custom 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Custom 1973 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino Custom 1974 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino SS 1970 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino SS 1971 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino SS 1972 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino SS 1973 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino SS 1974 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet El Camino 1970 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet El Camino 1971 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet El Camino 1972 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet El Camino 1973 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet El Camino 1974 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet El Camino 1975 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet Laguna Base 1973 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Laguna Base 1974 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Laguna Base 1975 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Laguna Estate 1973 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Laguna S3 1975 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Laguna Type S-3 1974 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Laguna 1973 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet Laguna 1974 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet Laguna 1975 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet Malibu Base 1973 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Malibu Base 1974 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Malibu Classic 1974 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Malibu Classic 1975 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Malibu Estate 1973 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Malibu Estate 1974 7.4L / 454 / V8 External Balance w/bolt-on counter weight
Chevrolet Malibu 1973 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet Malibu 1974 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;
Chevrolet Malibu 1975 7.4L / 454 / V8 PERFORMANCE; FLYWHEEL; BILLET STEEL; DETROIT EXTERNAL BALANCE; W/LARGE BELLHOUSING; 168 GEAR TEETH; 30 LBS;

Specifications:

# of Teeth 168
Application Chevrolet
Emission Code 5
Engine Big Block Chevy
Engine Balance External
Material Steel
Part Type Clutch Flywheel
Product Type Flywheels
SFI Approved Yes
SFI Certification 1.1
Warranty Limited 90 Day Warranty TX, Limited 90 Day Warranty

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