This BluePrint Engines SFI flexplate is built for Big Block Chevy engines with a one-piece rear main seal and external balance. Precision-made from heavy-duty steel and SFI 29.1 certified, it delivers dependable strength, smooth engagement, and broad compatibility—making it an ideal choice for high-performance street builds, restorations, and crate engine applications.

Features and Benefits:

• Ring Gear Tooth Quantity: 168
• Flexplate Diameter: 14 in.
• Rear Main Seal Style: BBC 1-piece
• Engine Balance: BBC External 42.5oz Imbalance
  
• Flex plate Material: Steel
• Safety Rating: SFI 29.1
• Features common 11.500 in. & 10.75