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head Gasket


datsun240z66gt2

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Tim if you please post part numbers.

Gasket  11044-E4621

Rings 11045-N3120

 

To answer your other question, they have pros and cons

 

Pro:  they are MUCH harder to "blow out", so they are more tolerant to high cylinder pressures and detonation

 

Con: they are MUCH harder to "blow out", so they allow you to run with more detonation.  On a poorly tuned engine this can mean breaking ring lands on expensive pistons instead of just having to replace a $40 head gasket.

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