Buick Buick Big-Block V8 Engine Specs

Bore, stroke, displacement and compression for all 3 Buick Buick Big-Block V8 engines. Compare variants side by side.

Engine	Displacement	Bore × Stroke	CR	HP
455	455 ci	4.2992" × 4"	10:1	370
430	430 ci	4.2992" × 3.6299"	10.25:1	360
400	400 ci	4.126" × 3.7992"	10.25:1	340

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