ARC Racing SFI Certified 6618 Billet flywheel with adjustable timing for the Honda GX200/Clone Clone 196cc, Ducar 196/212 and Tillotson 196/225/228/236, WildCat 223, Predator Ghost 212 and Predator 224cc NON Hemi engines. The hub comes set in the first negative position, this will be 24 deg with a stock timing key. Index marks are in 2° increments which allows up to 14° timing advance from the stock position (24°-38° range with stock key).