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Hays Billet Steel 184-Tooth Flywheel 12-240 Flywheel, Steel, 184-Tooth, 40 lb., Internal Engine Balance, Ford, 352-428, 429-460, Each

SKU: HAY12-240

Flywheels

Hays Billet Steel 184-Tooth Flywheel 12-240 Flywheel, Steel, 184-Tooth, 40 lb., Internal Engine Balance, Ford, 352-428, 429-460, Each

SKU: HAY12-240

Flywheels
A$2,119.27
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Description

Hays steel flywheels are engineered to handle extreme-duty applications and designed to take the punishment of today's high-horsepower engines. They are CAD-engineered and precision CNC-machined to strict tolerances. Available in weights up to 50 lbs. for specialized applications, most Hays flywheels are drilled with both the Borg and Beck and Long-style clutch patterns. Upgrade to a precision-machined and engineered Hays billet steel flywheel.

Features include:

* SFI-approved--legal for use in racing classes that require SFI certification
* CNC-machined from certified billet steel for maximum strength and durability
* CAD-designed for optimum performance and reliability
* Offered in internal, external, or neutral (zero) balanced versions
* Available for a wide variety of engines

Note: When choosing a flywheel, remember that a heavier flywheel stores more energy. A heavy car requires more power (or inertia) to launch without bogging the engine and needs a heavier flywheel. Lighter flywheels create less inertia at launch, but will accelerate faster through the gears.

Part Type

Flywheels

Data: v4.2 - Upd: 2026-10-14 09:07:04

Specifications

Product Attributes - Brand
Hays
Product Attributes - Manufacturer's Part Number
12-240
Product Attributes - Part Type
Flywheels
Product Attributes - Product Line
Hays Billet Steel Flywheels
Product Attributes - UPC
084041122402
Product Attributes - SFI Rating
SFI 1.1
Product Attributes - Ring Gear Tooth Quantity
184-tooth
Product Attributes - Crankshaft to Flywheel Bolt Quantity
6-bolt
Product Attributes - Pressure Plate Style
Long
Product Attributes - Flywheel Material
Billet steel
Product Attributes - Engine Balance
Internal
Product Attributes - Weight
40.000 lbs.
Product Attributes - Replaceable Friction Surface
No
Product Attributes - Marine Use
No
Product Attributes - Quantity
Sold individually.
Product Attributes - Notes
Flywheel is thicker than stock, may require bellhousing spacer. Lakewood bellhousing will eliminate interference. Requires dial indicating the bellhousing. Requires long style pressure plate. 3/8-16 Pressure plate bolts required. Flywheel bolts are included.

Reference Information

Brand Name/s Hays
StreetFX SKU hay12-240
SFX Item ID 5093351
Supplier Item Code 5093351
Manufacturer SKU 12-240
Manufacturer UPC N/A
Alternative References 184-Tooth

Compatibility

Application Data
  • MakeFORD
    Model300
    SubmodelBASE
    Beginning Year1963
    Ending Year1963
    Engine TypeV8
    Liter6.6
    CID406
    CC6654
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.6L/406
    Engine VIN CodeB
  • MakeFORD
    Model300
    SubmodelBASE
    Beginning Year1963
    Ending Year1963
    Engine TypeV8
    Liter6.6
    CID406
    CC6654
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.6L/406
    Engine VIN CodeG
  • MakeFORD
    ModelBRONCO
    SubmodelCUSTOM
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyFORD MODIFIED V8 GAS
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeFORD
    ModelBRONCO
    SubmodelNORTHLAND
    Beginning Year1978
    Ending Year1978
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyFORD MODIFIED V8 GAS
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeFORD
    ModelBRONCO
    SubmodelRANGER XLT
    Beginning Year1978
    Ending Year1979
    Engine TypeV8
    Liter6.6
    CID400
    Engine FamilyFORD MODIFIED V8 GAS
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1962
    Ending Year1963
    Engine TypeV8
    Liter6.6
    CID406
    CC6654
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.6L/406
    Engine VIN CodeB
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1962
    Ending Year1963
    Engine TypeV8
    Liter6.6
    CID406
    CC6654
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.6L/406
    Engine VIN CodeG
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1965
    Ending Year1965
    Engine TypeV8
    Liter6.4
    CID390
    CC6391
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
    Engine VIN Code9
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1965
    Ending Year1965
    Engine TypeV8
    Liter7.0
    CID427
    CC6997
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427
    Engine VIN CodeQ
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1965
    Ending Year1966
    Engine TypeV8
    Liter7.0
    CID427
    CC6997
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427
    Engine VIN CodeR
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1965
    Ending Year1967
    Engine TypeV8
    Liter5.8
    CID352
    CC5769
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size5.8L/352
    Engine VIN CodeX
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1965
    Ending Year1967
    Engine TypeV8
    Liter6.4
    CID390
    CC6391
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
    Engine VIN CodeM
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1965
    Ending Year1967
    Engine TypeV8
    Liter6.4
    CID390
    CC6391
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
    Engine VIN CodeP
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1965
    Ending Year1968
    Engine TypeV8
    Liter6.4
    CID390
    CC6391
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
    Engine VIN CodeH
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1965
    Ending Year1968
    Engine TypeV8
    Liter6.4
    CID390
    CC6391
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
    Engine VIN CodeZ
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1965
    Ending Year1971
    Engine TypeV8
    Liter6.4
    CID390
    CC6391
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
    Engine VIN CodeY
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1966
    Ending Year1966
    Engine TypeV8
    Liter7.0
    CID427
    CC6997
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size7.0L/427
    Engine VIN CodeW
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1968
    Ending Year1970
    Engine TypeV8
    Liter6.4
    CID390
    CC6391
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
    Engine VIN CodeX
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1969
    Ending Year1969
    Engine TypeV8
    Liter6.4
    CID390
    CC6391
    Engine FamilyFORD BIG BLOCK FE V8 GAS
    Engine Size6.4L/390
    Engine VIN CodeS
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1969
    Ending Year1971
    Engine TypeV8
    Liter7.0
    CID429
    CC7030
    Engine FamilyFord big block 385 Series
    Engine Size7.0L/429
    Engine VIN CodeK
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1969
    Ending Year1973
    Engine TypeV8
    Liter7.0
    CID429
    CC7030
    Engine FamilyFord big block 385 Series
    Engine Size7.0L/429
    Engine VIN CodeN
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1971
    Ending Year1972
    Engine TypeV8
    Liter7.0
    CID429
    CC7030
    Engine FamilyFord big block 385 Series
    Engine Size7.0L/429
    Engine VIN CodeP
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1971
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    CC6555
    Engine FamilyFORD MODIFIED V8 GAS
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1971
    Ending Year1974
    Engine TypeV8
    Liter6.6
    CID400
    CC6556
    Engine FamilyFORD MODIFIED V8 GAS
    Engine Size6.6L/400
    Engine VIN CodeS
  • MakeFORD
    ModelCOUNTRY SEDAN
    SubmodelBASE
    Beginning Year1972
    Ending Year1974
    Engine TypeV8
    Liter7.5
    CID460
    CC7539
    Engine FamilyFord big block 385 Series
    Engine Size7.5L/460
    Engine VIN CodeA

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