$3,000.00
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Description
13B Cosmo Rotary Engine – In-House Built
Built in-house, this 13B Cosmo rotary engine features doweled housings, half-bridge porting, lightened rotors, and a fully balanced rotating assembly.
Designed for serious performance while maintaining reliability—ideal for high-power street or race builds.
Highlights:
13B Cosmo rotary engine
In-house build
Doweled housings
Half-bridge ported
Lightened rotors
Fully balanced engine
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