Porsche 9A1 Engine Specs

Bore, stroke, displacement and compression for all 2 Porsche 9A1 engines. Compare variants side by side.

Engine	Displacement	Bore × Stroke	CR	HP
MA1/76	244.1 ci	4.0157" × 3.2087"	12.9:1	500
40 991 GT3	244 ci	4.0157" × 3.2087"	12.9:1	500

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