What flywheel fits 1969 Chevy engine casting number 3970010?

The 1969 Chevy engine casting number 3970010 corresponds to a 350 cubic inch engine. For this engine, a standard flywheel for a 350 engine, typically a 168-tooth flywheel, would be appropriate. Ensure that you choose a flywheel that matches the specific configuration of your engine, such as whether it is for a manual or automatic transmission. Always verify the balance and tooth count to ensure compatibility.