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F80) (2011-2018) M3 CS (S55 B30 A) 2979 460 (338) 2018 - 2018 BMW 4 Coupe (F32
Outlet diameter (external): 3" (76mm)
CPV35 VQ25DD
0L V6 DSL 2008-2009 AUDI A4 QUATTRO 3
Exhaust valve Kit NISSAN SR20 VE 2.0L DOHC Toyota F80) (2011-2018) M3 CS (S55The production of our race valves begins with a one piece forging where the valve head is forged in a slow two step process to maintain a good material flow. Then it is machined on the CNC in several stages to ensure the precision of the final dimensions. Then, we perform another thermal treatment for relaxation, followed by nitride curing (or coating process depending on the application). Finally, we perform one more grinding followed by a patented
