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The ARC 6620 Billet Flywheel is an SFI-certified, finned aluminum flywheel designed for Briggs & Stratton Model 13 5HP Flathead engines. Machined from 6061-T6 billet aluminum, it weighs 4.05 lbs and features a fixed keyway providing 30° BTDC ignition timing. Compatible with the stock pull starter or a handheld electric starter. See full product details below.
The ARC 6620 Billet Flywheel is designed for Briggs & Stratton Model 13 5HP Flathead engines. Manufactured from high-quality 6061-T6 billet aluminum, this SFI-certified flywheel provides a precision-machined performance replacement for racing and modified flathead engine applications.
The 6620 features a finned, non-adjustable design with a fixed keyway that advances ignition timing to 30° BTDC. This provides a consistent ignition timing setting without the need for an adjustable flywheel hub.
Weighing 4.05 lbs, the 6620 is designed for performance applications while maintaining cooling fins for engine airflow. The flywheel can be used with either the factory pull starter or a handheld electric starter, giving racers flexibility when setting up their engines.
Important Fitment Notice: This flywheel is designed for the Briggs & Stratton Model 13 5HP Flathead engine. It is not intended as a universal flywheel for all Briggs & Stratton engines. Verify your engine model before ordering.
The ARC 6620 is designed for Briggs & Stratton Model 13 5HP Flathead engines. Always verify your engine model before ordering.
Yes. The ARC 6620 is an SFI-certified billet aluminum flywheel designed for performance Briggs 5HP Flathead applications.
The 6620 has a fixed keyway that provides 30° BTDC ignition timing.
No. The ARC 6620 is a non-adjustable flywheel with a fixed keyway providing 30° BTDC ignition timing.
The ARC 6620 billet flywheel weighs 4.05 lbs.
The 6620 is precision-machined from 6061-T6 billet aluminum.
Yes. The ARC 6620 can be used with the stock pull starter on compatible Briggs 5HP Flathead engines.
Yes. The ARC 6620 is compatible with a handheld electric starter when the proper starter setup is used.
Yes. The ARC 6620 features a finned design to maintain cooling airflow for the engine.
No. The 6620 is designed for Briggs & Stratton Model 13 5HP Flathead engines. Briggs Animal and LO206 engines require flywheels designed for their specific engine applications.
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