Audi I5 Hardened Timing Belt Cog Gear
The factory audi crank pulley is made from a low quality metal that can fracture over time causing the keyway to shear. When this occurs its possible for the crankshaft to rotate freely from the crank pulley causing catastrophic valve interference and engine failure.

These replacement pulleys are machined from billet tool steel for long service life. The keyway and alignment dowels are included with the kit.

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