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SP Series
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Standard Features:
Forged High-Carbon Steel Crankshaft
Pent-Roof Combustion Chamber
Low Operating Temperatures
Aluminum Alloy Block
Cast-Iron Cylinder Liner
Overhead Cam Chain Drive
Electronic Ignition with Automatic Timing Adjustment
Dual Ball Bearing Supported Crankshaft
Automatic Decompression System
Fewer Moving Valve Train Parts than OHV Design
Patent-Pending 360-degree Airflow Cylinder Head Design
Heavy-Duty Piston Rings
Steel Timing Chain
SP Series
5.7 HP

Engine Family Overview:
The Subaru SP Series Overhead Cam Industrial Engines lead the industry in technology offering more power, less noise and easy, one-pull starting every time. Introduced as the first air-cooled engine series to use advanced chain-driven Overhead Cam technology, the Subaru SP Series provides maximum efficiency, performance and power with minimal noise and emissions. The engine design is extremely compatible and easy to install, and simply exchanges with most existing slant cylinder engines.

Ideal Power for:
The SP Series industrial engines are ideal for powering pressure washers, tillers, go karts, edgers, etc.
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SP Series
Front View SP170

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