Engine Upgrade Kit – Upgrade 11HP 13HP to 16HP 90mm Bore Engine Block, Crankshaft, Piston Kit, Connecting Rod Gasket Set Compatible with Honda GX340 11HP GX390 13HP
Engine Upgrade Kit – Upgrade 11HP 13HP to 16HP 90mm Bore Engine Block, Crankshaft, Piston Kit, Connecting Rod Gasket Set Compatible with Honda GX340 11HP GX390 13HP
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Engine Upgrade Kit – Upgrade 11HP 13HP to 16HP 90mm Bore Engine Block, Crankshaft, Piston Kit, Connecting Rod Gasket Set Compatible with Honda GX340 11HP GX390 13HP

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Key item features

  • Features:

    • Looking to increase horsepower? This kit with upgrade your 11HP/13HP engine to 16HP (90mm Bore) for increased performance. 
    • Compatible with a wide range of equipment such as generators, pressure washers, and go-karts.
    • Easy to install

  • Compatible with:

    • Compatible with Honda GX340 11HP Engines (82mm Bore)
    • Compatible with Honda GX390 13HP Engines (88mm Bore)
    • Kit will increase performance to 16HP (90mm Bore)

  • Kit Includes:

    • Upgraded 16HP Engine Block (90mm Bore)
    • 16HP Piston Kit (Includes: Piston, Rings, Pin and Clips)
    • Connecting Rod
    • Standard Straight Crankshaft 1" Diameter 1/4" Keyway
    • See photos for items includes.
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Dec 18, 2020
chevy4sure
5 out of 5 stars review

Verified Purchase

My gx 340 has new life for air compressor.

Seems good so far, have not run it much yet, but seems to run very good put it all together with head fron gx 340 and side cover etc.. would liked to have the other gaskets, the seal for governor isn't in kit so may want to order one up. So far so good.

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