Plymouth Engine Specs

Bore, stroke, displacement and compression for 121 Plymouth engines across 19 families. Free reference with rod ratio and head specs where published.

At a glance

Displacement range	122-440 ci
Cylinder counts	4, 6, 8
Years covered	1950-2010
Families	19
Engines	121

Engine families

• 2.2/2.5 — 8 engines
• 426 Hemi — 2 engines
• B — 27 engines
• Chrysler EDZ — 1 engine
• Chrysler EGA/EGB — 3 engines
• Chrysler EGA/EGM — 1 engine
• Chrysler EGJ — 3 engines
• Chrysler EGL — 1 engine
• Chrysler LH — 3 engines
• Chrysler Neon — 2 engines
• EGA — 1 engine
• EGG — 4 engines
• Hemi — 1 engine
• K-Engine — 4 engines
• LA — 20 engines
• Mitsubishi 6G7 — 1 engine
• Neon — 1 engine
• RB — 25 engines
• Slant-6 — 13 engines

Every engine page lists bore, stroke, displacement, compression and rod ratio, with mean piston speed and bore/stroke character worked out, plus cylinder head specs where published. Each links into the calculators with its own dimensions filled in.

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