New Honda GX390 GX340 Upgrade Kit To 16HP W/ Crankshaft 11HP 13HP Full Power Big


$229.99 $246.00


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