The 29cc Bonzi “Very Cool” Water Jacket is an exclusive premium cooling design created for the Zenoah G290PUM & G300PUM. (Note: The “Very Cool” Water Jacket is standard on the BZx4 Ultra engine modification package).
Features:
- CNC machined fins for increased heat dissipation
- 2 inlets and 2 outlets for increased cooling water flow
- Increased water volume for more efficient cooling and better fit under the hatch (as compared to the stock Zenoah jacket)
- Includes stainless steel cap screws (for mounting) and brass water fittings
- Available in 7 anodized colors
2″ wide x 2″ long x 1 1/2″ high
![Zenoah Crankcase Set T2075-21100 [Lower] (fits Zenoah G260PUM & G231PUM Marine Engines)](https://www.bonzisports.com/wp-content/uploads/2016/12/p-155943-T2075-21100-Crankcase-600x615.jpg)
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