Which Head is Which, P90, P79, etc. - Classic ZX - 2nd to 4th Generation - Classic Z Car Club Skip to content

Which Head is Which, P90, P79, etc.

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I believe P90 and 90a came with 280zx turbos.

All 3 have same chamber design.

P90a has hydraulic lifters for quieter operation.

P79 has exhaust liners to shape the flow.

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