Genuine Honda Block for GX390 and UT2 GX340s - Bored 90mm
Electric start version - Can be used on either recoil or electric start engines.
- 408cc with stock crank
- 420cc with Predator crank
- 439cc with 69mm crank
- 440cc with ARC Billet crank
*Note: Side cover not included. Must order separately if needed.
