BSS Cylinder Head [Shaft Only]

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*THIS IS THE SHAFT ONLY

Bronze Switchable Shaft Cylinder Head

Unlike other brands of chinese aluminum cylinder heads, the preinstalled pad is extremely durable. Machining quality on these cylinder heads surpass all other brands tested and the nozzle section is incredibly smooth which reduces nozzle oring wear and leads to the nozzle returning to battery very quickly for consistent fps in high rps builds.