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The ARC Racing 6621-P billet flywheel is designed specifically for the Harbor Freight Predator 212cc Non-Hemi engine running a PVL digital ignition system. Precision-machined from billet aluminum and SFI certified, this flywheel replaces the factory cast flywheel with a stronger and more reliable racing component capable of handling sustained high-RPM operation.
Built for kart racing and high-performance small engine builds, the 6621-P features a finned design that maintains proper cooling while delivering consistent ignition timing at elevated RPM. The flywheel is non-adjustable and comes preset at approximately 29° BTDC using a standard key.
Important Fitment Notes: This flywheel is designed only for Predator 212 Non-Hemi engines running a PVL digital ignition system. It will NOT work with the OEM ignition coil and requires the PVL 710106 ignition coil. This flywheel will also NOT fit Predator 212 Hemi engines.
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The 6621-P billet flywheel fits Harbor Freight Predator 212cc Non-Hemi engines, including Gen 1 and Gen 3 versions that use the sheet metal valve cover.
No. The 6621-P flywheel is designed for PVL digital ignition systems and will not work with the OEM Predator ignition coil. A PVL ignition coil such as the 710106 is required.
The flywheel is preset at approximately 29° BTDC when installed using a standard flywheel key.
Yes. The 6621-P includes the ARC 5985 coil bracket and the mounting hardware required to install the PVL ignition coil.
No. The 6621-P flywheel is designed specifically for Predator 212 Non-Hemi engines and will not fit Hemi versions.
ARC recommends a minimum ignition coil air gap of .030" when installing the PVL ignition coil with this flywheel.
