Crankshaft Shouldered Washer For Porsche 928 (1978-1995) Models.

This engineered crankshaft shouldered washer is precision-designed for Porsche 928 engines, delivering exact positioning and load distribution for critical crankshaft fastening. The specialized shoulder design centers the washer on the crankshaft while preventing lateral movement and bolt loosening under rotational stress. Forged from premium hardened steel, it withstands extreme forces and thermal cycling without deformation or wear. The precisely machined surfaces ensure consistent clamping pressure across the fastening interface. Vital for engine assembly, crankshaft service, and complete rebuilds—this OEM-specification washer maintains the precision alignment your 928 demands. Choose this proven component to guarantee reliable crankshaft retention and flawless engine operation throughout your classic Porsche's performance life.