Flywheel Bolt


  • One piece
  • Six required per engine
  • For all Small Block V-8 egines
  • For all Big Block V-8 and 90° V6 engines


Flywheel Bolt

P/N 12337973

  • Fits all Chevy Small Block V8 and Big Block V8 and 90° V6 engines
  • Sold individually
  • Six required per engine

Flywheel Bolt

12337973 Chevrolet Flywheel Component

For Small Block V8 and Big Block V8 and 90ᄚ V6 Engines

When it comes to building the Small-Block or Big-Block engine for the project vehicle of your dreams, you don’t want to sacrifice performance or durability ヨ and that’s why you should trust Chevrolet Performance. They’ve been designing, testing and manufacturing Small-Block and Big-Block parts since 1955. Their engineers know what it takes to offer the finestquality parts for your Chevy.

Prop65WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to