Look at your dampner, if it is thick with the words USE WITH 340 CAST CRANK ONLY then you need a flywheel for external balanced engines. Most all 72 340's came with forged cranks...
Look at your dampner, if it is thick with the words USE WITH 340 CAST CRANK ONLY then you need a flywheel for external balanced engines. Most all 72 340's came with forged cranks...
