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- Heavy-Duty Flexplate
- 1971-76 Chrysler 340
- Externally Balanced
- 727 Transmission
- SFI 29.1 Approved
- Thicker Than Stock Steel Plate
- Ring Gear Securely Welded
- Dual Bolt Patterns
- Zinc-Dichromate Plated To Resist Corrosion
- Withstands High Torque and RPM
SFI-Certified Flexplates for Racing
Hay's heavy-duty Flexplates are constructed from thicker-than-stock grade 80 steel and engineered to withstand the force of high-stall torque converters and high-RPM performance and competition engines. This zinc-dichromate plated 29.1 or 29.3 SFI-certified flexplates are supplied with a ring gear that is securely welded in place and feature dual bolt patterns for flexibility in adapting to multiple transmission-style torque converters.
![Torque Converter Bolts For TH350, TH400 and Powerglide Converters [Set of 3]](https://www.jegs.com/images/mini_200/500/555/555-82501.jpg)

