Developed and designed in conjunction with the Kommander himself, Steve Webster, as a Blowsion exclusive offering One-piece Yamaha billet aluminum/CNC performance cylinder head kit provides the best of both worlds with excellent horsepower gains, and better cooling capacity State-of-the-art heads use the same replaceable domes of Blowsion's popular 2-piece girdled Yamaha heads and utilize an improved squish band design for easy tuning and more compression for pump gas friendly horsepower Up to 70% better cooling, increased reliability and CAD designed combustion chambers ensure maximum performance and long engine life Head includes all hardware needed for installation 2 domes required (sold separately).. CYL HEAD YAM W/O DOMES
