1685cc Motor System, Hammerhead L Package

The 1685cc Motor System "Hammerhead L - 75mm" Package comes with 1685cc 75mm tank, RGL injector bell, 1 standard L fuel grain, 1 HyEFX L fuel grain, tie straps, and motor adapter (fits over fuel grain to make 75mm and includes built in venting tube that vents out the bottom to eliminate cutting hole in airframe) which give you the following engine combination:

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L610FX with RGL orifice 

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L550 with RGL orifice 

 

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