6615-H3 Billet Flywheel for GX340 and GX390
This finless flywheel is designed for the Junior Dragster & 1/8 mile Mini Bike engines. It has an adjustable hub that allows timing changes at 1-degree increments in as little as 90 seconds without the use of offset keys or having to take anything apart. No fins for methanol applications
Will not work with stock recoil.
Requires the use of the #555681 (or other Briggs PVL Coils).
