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Hays Heavy-Duty 164-Tooth Flexplate 40-502 Flexplates, Heavy-Duty, 164-tooth, Steel, SFI 29.1, External, 28 oz. Imbalance, One-piece/2-piece Rear Main Seal, Ford, 4.7L, 5.0L, Each

SKU: HAY40-502

Flexplates

Hays Heavy-Duty 164-Tooth Flexplate 40-502 Flexplates, Heavy-Duty, 164-tooth, Steel, SFI 29.1, External, 28 oz. Imbalance, One-piece/2-piece Rear Main Seal, Ford, 4.7L, 5.0L, Each

SKU: HAY40-502

Flexplates
A$544.63
BACKORDER This item will be special ordered in for you. Contact us prior to purchase if you require an ETA.
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Description

Hays heavy-duty flexplates for high performance and competition engines are constructed from a thicker-than-stock steel plate. This enables them to withstand the stress of high-stall torque converters and high-rpm engines. While factory stock plates tend to crack around the crankshaft hub when punished under high-torque and rpm conditions, the thicker Hays flexplates can handle the force. These heavy-duty flexplates are supplied with a ring gear that is securely welded in place. All Hays heavy-duty flexplates are zinc-dichromate plated to resist corrosion and SFI-certified under specification 29.1.

Part Type

Flexplates

Data: v4.2 - Upd: 2026-10-14 09:07:03

Specifications

Product Attributes - Brand
Hays
Product Attributes - Manufacturer's Part Number
40-502
Product Attributes - Part Type
Flexplates
Product Attributes - Product Line
Hays Heavy-Duty Flexplates
Product Attributes - UPC
090127062302
Product Attributes - Ring Gear Tooth Quantity
164-tooth
Product Attributes - Rear Main Seal Style
1-piece, 2-piece
Product Attributes - Engine Balance
External, 28 oz. imbalance
Product Attributes - Flexplate Material
Steel
Product Attributes - SFI Rating
SFI 29.1
Product Attributes - Marine Use
No
Product Attributes - Quantity
Sold individually.

Reference Information

Brand Name/s Hays
StreetFX SKU hay40-502
SFX Item ID 5093474
Supplier Item Code 5093474
Manufacturer SKU 40-502
Manufacturer UPC 90127062302
Alternative References 164-Tooth, One-piece/2-piece, 4.7L, 5.0L

Compatibility

Application Data
  • MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
    Converter Bolt Pattern10.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC4
  • MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
    Converter Bolt Pattern10.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC6
  • MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC4
  • MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC6
  • MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
    Converter Bolt Pattern11.438 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC4
  • MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
    Converter Bolt Pattern11.438 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC6
  • MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC4
  • MakeFORD
    Beginning Year1963
    Ending Year1969
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size4.7L/289
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC6
  • MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
    Converter Bolt Pattern10.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC4
  • MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
    Converter Bolt Pattern10.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC6
  • MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC4
  • MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
    Converter Bolt Pattern10.750 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC6
  • MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
    Converter Bolt Pattern11.438 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC4
  • MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
    Converter Bolt Pattern11.438 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC6
  • MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC4
  • MakeFORD
    Beginning Year1968
    Ending Year2001
    Engine TypeV8
    Engine FamilyFord small block Windsor
    Engine Size5.0L/302
    Converter Bolt Pattern11.500 in.
    Crankshaft to Flywheel/Flexplate Attachment6-bolt
    Transmission Manufacturer CodeC6

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