Professional Series forged racing pistons from Wiseco are no-expense-spared pistons designed for the serious racers and builders. Packed full of custom-level performance and durability features and provided with premium rings, Professional Series pistons are designed and built for use in heavy to severe duty race builds. Remove your limits with Wiseco?s Professional Series.

This Part Fits:

Year	Make	Model	Submodel
1992-1994	Audi	S4	Base
1995	Audi	S6	Avant
1995	Audi	S6	Base