THe True LZ Twin Cam head

This was 3 May 1973.

Debut Specifications

•1,598 cc (Bore 87.8mm: 4.8mm oversize)

•EGI (Nissan EFI)

•200ps @ 9,400 rpm,

•torque 17.0kgm @ 6,800 rpm

•Titanium intake and exhaust valves

•Four valve-per-cylinder, pentroof design with narrow 34 degree valve angle layout

•Flat-top pistons

•Compression ratio: 11.5 to 12.0

•mirror-polished forged steel connecting rods

•Double roller chain

•4-gear train