MerCruiser 350 5.7L Alpha 300 PS V8 Marine Engine (8M0079530)

A partially dressed MerCruiser 350 5.7L V8 marine engine assembly rated 300 HP at 5,000 RPM, model 8M0079530. It is fed by a 750 CFM four-barrel carburetor and fits V8 MerCruiser Alpha sterndrive and inboard applications.

The 350 cubic inch engine is built on a 4-bolt main iron block with a nodular iron crankshaft, roller camshaft, 9.4:1 hypereutectic pistons, stainless steel valves and iron cylinder heads with screw-in rocker studs. Thunderbolt V ignition with knock control handles spark timing, and a mechanical fuel pump supplies the carburetor. It runs on 87 octane fuel.

Cooling is through a circulating water pump with a bronze water crossover. A flame arrestor, harmonic balancer and 10-pin harness are included. Beyond MerCruiser Alpha sterndrive and inboard installs, the engine adapts to sterndrives and inboards of other makes.

Highlights

• 5.7L / 350 CID V8, 300 HP at 5,000 RPM

• 750 CFM 4-barrel carburetor, mechanical fuel pump

• Thunderbolt V ignition with knock control

• 4-bolt main iron block, nodular iron crankshaft

• Flame arrestor, harmonic balancer and 10-pin harness included

Specifications

Good to know

• Installation, rigging and commissioning by a qualified marine technician are recommended; follow the manufacturer's pre-delivery and break-in procedures.