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ARC Racing 6621-PH billet flywheel designed for Predator 212 Hemi engines using PVL ignition systems. This SFI-certified billet aluminum flywheel delivers reliable ignition timing and high-RPM durability for kart racing and performance engine builds. See full product details below.
The ARC Racing 6621-PH billet flywheel is engineered specifically for Predator 212 Hemi engines running a PVL digital ignition system. Precision-machined from billet aluminum and SFI certified, this flywheel replaces the factory cast flywheel with a stronger race-ready component designed for safe operation at elevated RPM.
This flywheel features a durable finned design that maintains proper cooling while delivering stable ignition timing at high engine speeds. The fixed timing configuration is preset at approximately 29° BTDC when installed with a standard flywheel key.
The 6621-PH flywheel is designed specifically for use with PVL ignition systems and includes the ARC #5985 coil bracket and mounting hardware required for proper ignition coil installation.
Important: This flywheel requires a #710106 PVL ignition coil and will not work with the OEM ignition coil or stock pull starter assembly.
Important: This flywheel is designed specifically for Predator 212 Hemi engines running PVL ignition systems. Always verify engine configuration before installation.
The ARC 6621-PH billet flywheel is designed specifically for Predator 212 Hemi engines running a PVL ignition system.
No. This flywheel requires a #710106 PVL ignition coil and will not work with the OEM ignition system.
Yes. The flywheel includes the ARC #5985 coil bracket and mounting hardware required for PVL ignition installation.
The flywheel is preset at approximately 29° BTDC when installed with a standard flywheel key.
ARC Racing recommends tightening the flywheel nut to 65 ft/lbs.
Complete your Predator 212 Hemi engine build with ARC Racing billet performance components including billet connecting rods, billet crankshafts, billet sidecovers, and high-performance billet flywheels engineered for kart racing and high-RPM small engine performance.
The 6621-PH billet flywheel is designed for the Harbor Freight Predator 212cc Hemi (Gen 2) engine.
No. The 6621-PH will NOT work with the OEM ignition. It is designed specifically for a PVL digital ignition system and requires the 710106 PVL ignition.
The flywheel is preset at approximately 29° BTDC when installed with a standard (stock) key.
Yes. The 6621-PH includes the ARC 5985 coil bracket with the required mounting hardware.
No. The 6621-PH is not designed to work with a pull starter.
ARC recommends a minimum coil air gap of .030" and tightening the flywheel to 65 ft/lbs.
