PIONEER PF702
Steel cylinder head spacer shim for selected 1970-1985 Nissan/Datsun 240Z, 280Z, 280ZX, 810, Maxima and 720 applications.
Pioneer PF702 is a steel cylinder head spacer shim for selected Nissan / Datsun engines. It is installed with the correct head gasket to compensate for material removed during machining and reduce changes in cam timing and compression ratio.
Application / fitment
Confirmed applications include 1970-1973 Datsun 240Z, 1975-1978 Datsun 280Z, 1979-1983 Datsun / Nissan 280ZX, 1977-1981 Datsun 810, 1981-1984 Nissan Maxima, and 1983-1985 Nissan 720. Coverage includes selected L-series inline-six engines and four-cylinder engines used in the 720 pickup.
- product type: cylinder head spacer shim
- models: 240Z, 280Z, 280ZX, 810, Maxima, and 720
- selected model years: 1970-1985
- material: steel
- installation: with the applicable cylinder head gasket
The shim does not replace the head gasket. Its use should be based on measured cylinder-head height, machining depth, and valvetrain-geometry checks. After assembly, verify compression ratio, cam timing, and piston-to-valve clearance.
Technical information
- part type: cylinder head spacer shim
- function: compensation for cylinder-head or block machining
- construction: full-profile steel shim
- cylinder head gasket: not included
- head bolts: not included
- sale unit: 1 shim