6603-GX3 ARC GX390 Flywheel, 5-3/4" Diam. Finless
ARC Racing non-finned billet flywheel 6603-GX3. This is a used flywheel that was used for dyno testing purposes only.
6603-GX3 This is a 5-3/4" Diameter, Finless Flywheel for drag racing the GX 340/390. Will not work with the OEM pull rope or electric start. Must use a remote handheld starter.
Use the OEM non-UT2 Coil with the required #5980 Bracket which is not included.