Jeep Engine Specs

Bore, stroke, displacement and compression for 81 Jeep engines across 17 families. Free reference with rod ratio, piston speed and head specs where published.

At a glance

Displacement range	122-401 ci
Cylinder counts	4, 6, 8
Years covered	1953-2026
Families	17
Engines	81
With cylinder head data	3 engines

Engine families

• 4.0 I6 — 1 engine
• AMC I4 — 7 engines
• AMC I6 — 7 engines
• AMC Straight-4 — 1 engine
• AMC Straight-6 — 14 engines
• AMC V8 — 7 engines
• Dauntless — 3 engines
• EcoDiesel — 5 engines
• EGH — 2 engines
• HEMI — 8 engines
• Hurricane — 4 engines
• Hurricane F-Head — 3 engines
• Magnum — 2 engines
• Pentastar — 5 engines
• PowerTech — 5 engines
• Tornado — 4 engines
• Vigilante — 3 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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