This is the special, semi-custom made car based on the engine and chassis of the Fairlady 1600 (SP311). For this reason, although the manufacturing period was approximately 3 years, from March 1965 to June 1968, not many units were produced. The price tag was 1.2 million yen. It became well known as a result of being used by the police for patrolling the Daisan Keihin Road.

Overall length	3,985mm
Overall width	1,510mm
Overall height	1,275mm
Wheelbase	2,280mm
Tread (front/rear)	1,270/1,198mm
Curb weight	980kg
Engine	Type R (4-cyl. in line, OHV), 1,595cc
EngineMax. power	66kW (90PS)/6,000rpm
EngineMax. torque	132Nm (13.5kgm)/4,000rpm
Top speed	165km/h
Model Number	CSP311