Ford 460 Big Block V8 D9 Auto 3Y Crank Flexplate # FRA-230Ford 460 D9 3Y Crank Pioneer Flexplate Driveplate # FRA 230 Ring Gear Tooth Quantity: 164 tooth Flexplate Diameter (in.): 14. 24 Engine Balance: External Flexplate Material: Steel Marine Use: No Quantity: Sold individually. Pioneer Flexplates Flexplates are important connections between your engine and torque converter, and are relatively inexpensive parts to change out when they demonstrate signs of wear. These one or 2 piece Pioneer replacement