Valve Dimensions

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TIP:

Intake and exhaust valves must not be reworked.

Only grinding is permitted.

Fig 1: Identifying Valve Dimensions

Courtesy of AUDI OF AMERICA, LLC

Dimension		Intake Valve	Exhaust Valve
Diameter a	mm	28.10	26.00
Diameter b	mm	5.975	5.965
c	mm	99.30	99.10
α	∠°	45	45