| Cyl. Engine Bore | Years Comp. Ratio | NOTES: | Part No. Sizes | Rings | O.E. Assy. No. | O.E. Casting No. | Head Shape |
L4-097 |
1983-88 |
E16, E16i & E16S eingines. Sentra 82-88, Pulsar 84-88. 1987-88 EFI. 2.35" dia. head recess .360" deep. |
9072* |
2-1.5mm |
12010-33M22 |
33M |
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L4-097.1 |
1969-73 |
All with L16 engine. 2.75" dia. head recess .055" deep. |
9044 |
2-2.0mm |
12010-23002 |
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L4-097.6 |
1970-78 |
Flat head. For Export. Not destroked. From factory only. |
9079* |
2-2.0mm |
12011E3001 |
696NAS |
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L4-119 |
1974-79 |
All with L20 engine. 2.91" dia. head recess .10" deep. |
9048 |
2-2.0mm |
12010-U6001 |
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L4-119 |
1977-80 |
L20B engine. 2.92" dia. head recess .175" deep. |
9071 |
2-2.0mm |
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L4-121 |
1967-70 |
U20 engine. 2.750" dia. head recess .055" deep. |
9044 |
2-2.0mm |
12010-23002 |
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L6-146 |
1970-73 |
240Z with L24 engine. Flat head with two valve reliefs. |
9045 |
2-2.0mm |
12010-H2711 |
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L6-156 |
1974-75 |
260Z with L26 engine. Flat head with two valve reliefs. |
9045 |
2-2.0mm |
12010-H2711 |
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V6-180.5 |
1984-94 |
VG30E engine, non-turbo. Late style rings. Flat head with two valve reliefs. |
9075* |
2-1.5mm |
12010-21P61-2-3 |
44 |
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