Images used may be generic. Actual product may vary. Scat SFI Flexplate Chevy 168 Tooth External-1 pc. SCAT Flexplates offer extra thick material that continuosly will withstand the extreme power and rpm's of today's extreme horsepower engines. All SCAT Flexplates are double welded and anodized and some even come with an SFI sticker for proper series homologation.