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NISSAN NAP Z / Z24 SOHC 4 (1978-1989) 8v |
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VALVE |
DURATION |
DURATION |
GRIND |
DESCRIPTION |
REGRIND |
HARD |
NEW |
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.440 |
256 |
240 |
158 |
Increases mid range and top end for stock or modified engines. |
N/A |
N/A |
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Racing Profile. |
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