7.5 degree cam and spring kit for all OEM 1600 and 2000 roadster distributors.  Perfect for solex or SU with or without vacuum advance.
 
Easy installation.  This kit provides 15 degrees of timing advance, so set you initial timing to 19BTDC(at low rpm) for a total of 34 degrees.  
 
Nissan and aftermarket components.  USA Manufacture!