Scat Chev 350 Late 1986 Onwards 1pce RMS Flexplate 168 Tooth # FP350LSFIFlexplate, 168 Tooth, Steel, 1 Piece Rear Main Seal, SFI Approved, Chevy, 5. 7L, Each # FP350LSFI Ring Gear Tooth Quantity: 168 tooth Flexplate Diameter (in.): 14. 00 Rear Main Seal Style: 1 piece Engine Balance: External Flexplate Material: Steel SFI Rating: SFI 29. 1 Marine Use: No Quantity: Sold individually. Scat Flexplates Scat flexplates make excellent upgrades to your stock design. They feature extra thick steel that's double welded to the ring