Hays 12-071 Steel SFI Certified Flexplate - Ford Modular V8

Ford 1992-2006 4.6L, 2011-2019 5.0L Coyote, 1999-2012 5.4L, and 2013 5.8L with 8-bolt Crankshaft, 164-Tooth Internal Balanced

PART# 12-071

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Hays heavy-duty flexplates for high performance and competition engines are constructed of a thicker than stock steel plate, enabling 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 flexplate handles the force. These H.D. flexplates are supplied with a ring gear that is securely welded in place and feature dual bolt patterns. All Hays heavy-duty flexplates are zinc-dichromate plated to resist corrosion and are SFI certified under specification 29.1.


  • Securely welded ring gear and zinc dichromate plated to resist rust and corrosion
  • Meets SFI specification 29.1 for racing
  • For 8-bolt crankshaft
  • Constructed of thicker than stock steel plate to withstand the stress of high stall speed converters and high RPM enginge

Product Attributes

Emission Code5
Product TypeFlexplates
Part Number12-071



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.


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