Unlimited Class
Traditionally the domain of large capacity normally aspirated V8's over 454ci or with turbo or supercharger (multiply ci x 1.4), today the fastest race boats are powered by repurposed helicopter gas turbine engines.
A Class
Any normally aspirated engine less than 454 ci (multiply ci x 1.4 for blown motors) Approx top speed - 120mph
CX Class
Formula class designed to provide a level playing field for drivers - Speed up around 105mph
FX Class
Formula class using the popular ZZ4 & ZZ6 (350 Chev) and ensuring driving skill is paramount. Approx top speed 92mph
Club Class
Entry level utilising your existing family boat with the addition of an approved bolt in rollcage, as allowed under the regulations. Speed governed to 65mph
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