Hey manata,

My mechanic did the sport cams for me. They are not manufactured from a company like GTC that Bekkers sells. His name is Zim, Topline Auto in Burlingame, CA.

Let me know if u need any more info.

Later,
Giancarlo

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PAST MB's: 2006 E55 AMG | 1986 190E 2.3-16