BSS Cylinder Head (Pre-Order)

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This is a PRE-ORDER - ETA Early September 2024

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 O-ring wear and leads to the nozzle returning to battery very quickly for consistent fps in high rps builds. 

• Phosphor Bronze stem offers exceedingly low friction while having significantly more abrasion resistance than aluminum. Will not Gall or leave abrasive residue unlike aluminum and steel stems.
• CNC Delrin main body for increased gearbox durability and reduced noise. Design ensures it will not crack under high loads unlike other Polymer Cylinder heads.
• Integrated NBR pad for high abrasion resistance, low compression set and low deadzone. Pad acts as its own O-ring so no poorly fitting O-rings in sight.

The shaft is switchable with a GBB output valve key and sold separately for different set-up length such as SR25.