FOR SALE MerCruiser 454 Gen IV 7.4L Reverse Rotation 340HP Freshwater Marine Long Block. This engine excellent condition and great runs has been tested.

ENGINE DETAILS

• Type : MerCruiser 7.4L (454 CID) Generation IV Big Block V8 – carbureted era
• Model : MIE 340
• Rotation : Reverse
• Rated Output : 340 HP @ 3800 RPM
• Use History : Freshwater only

TECHNICAL SPECS

• Displacement : 454 cu in (7.4 L)
• Configuration : V8, Gen IV big block
• Fuel : Regular gasoline, min 86 octane
• Ignition timing (per plate) : 8° BTDC
• Firing order : 1-8-4-3-6-5-7-2

INCLUDED

• Complete long block : block, heads, valve covers, intake manifold, timing/front cover, oil pan, harmonic balancer
• All valves present ; turns freely with excellent compression
• Carburetor, ignition/distributor, exhaust manifolds/risers, accessories, engine stand