Hays Black Oxide Steel 152-Tooth Internally Balanced Flexplate

Black Oxide Steel 152-tooth internally balanced flexplate for 2007-17 6.7L Dodge Cummins Diesel

PART# 11-025B

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Hays heavy-duty Flexplates for high performance and competition Cummins Diesel engines are constructed of a thicker than stock steel plate, enabling them to withstand the stress of today’s high-torque engines. While factory stock Cummins Flexplates tend to crack or even shatter when punished under high torque and RPM conditions, the thicker Hays Flexplates handle the additional brute force. All Hays heavy-duty Flexplates are either zinc-dichromate plated or black oxide finished to resist corrosion. Also all of our Flexplates are SFI certified under specification 29.1 or 29.3 depending on application.


  • Designed to withstand up to 1,500 lbs. ft of torque
  • One-piece billet steel design with specialized ring gear heat treatment and thicker than stock centerplate
  • CNC machined from 5140 billet steel for true runout and precision balanced for smooth operation
  • SFI-approved – Legal for use in racing classes that require SFI certification
  • Available in two SFI specifications, choose from 29.1 or 29.3 specs
  • Heavy-Duty designs utilized to withstand the stress of high-torque Diesel engines
  • Also available w/Zinc-Plated options for Cummins Diesel


# of Teeth152
ApplicationCummins Diesel
Engine BalanceInternal
Product TypeFlexplate
SFI Certification29.3
Warranty90 Day
Part Number11-025B
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