This BluePrint Engines flywheel is engineered specifically for Big Block Chevy crate engines that require a 42.5 oz external balance. Built for strength, smooth engagement, and proper balance, it delivers dependable power transfer and confident operation when pairing your BBC crate engine with a manual transmission. Precision-machined for correct fitment and long-term durability, this flywheel is an ideal choice for street performance builds, restorations, and high-torque Big Block applications.

Features and Benefits:

• Ring Gear Tooth Quantity: 168
• Rear Main Seal Style: BBC 1-piece
• Engine Balance: BBC External 42.5oz Imbalance
  
• Flex plate Material: Steel
• Safety Rating: SFI 29.1
• Quantity: Sold Individually