The 2013 Lincoln MKZ has double overhead cam (DOHC).
The 2007 Lincoln MKZ has double overhead cam (DOHC).
The 2010 Lincoln MKZ has double overhead cam (DOHC).
The 2008 Lincoln MKZ has double overhead cam (DOHC).
The 2011 Lincoln MKZ has double overhead cam (DOHC).
The 2014 Lincoln MKZ has double overhead cam (DOHC).
The 2010 Lincoln MKT has double overhead cam (DOHC).
The 2012 Lincoln MKT has double overhead cam (DOHC).
The 2012 Lincoln MKS has double overhead cam (DOHC).
The 2012 Lincoln MKX has double overhead cam (DOHC).
The 2012 Lincoln Navigator has single overhead cam (SOHC).
In a 1995 Lincoln Mark VIII : That is the 4.6 liter / 281 cubic inch Dual Over Head Cam , V8 engine * the 8th " character " of the VIN is a " V " ( from the factory )