Engine Components-911 Extra Length Crank Pulley Bolt
2.0-3.3 Crank Pulley Bolt M12-1.50 X 30
The rest of the engine has new fasteners, why not the crank pulley bolt? This high strength grade 10.9 bolt is longer than stock for more thread engagement.
The crank pulley bolt should have a minimum of 7 threads engaged fully tightened.
Caution, At installation, verify that this bolt is not too long.