Engine Upgrade Kit To 16HP W/ Crankshaft 11HP 13HP Full Power Big Compatible with Honda GX390 GX340 Engines

Brand New Upgrade Kit

Looking to Increase the power on your GX340 or GX390 Engine?

This kit will upgrade you to 16 HP (90mm Bore)

Kit Includes:

1 x New 90mm Engine Block
1 x New 90mm Piston
1 x New 90mm Ring set
1 x New Piston Pin & Clips
1 x New Connecting Rod
1 x Full Gasket Set
2 x Oil Seals
1 x Straight Crank Shaft 1" Diameter 1/4" Keyway

**Please See Photos**

This kit includes everything you will need to do the power upgrade on your engine.

GX340 11 HP has a bore of 82mm

GX390 13 HP has a bore of 88mm