Hyper Head 91SX-H
Part No: X-OS72001000
Improved cooling anda significant weightsaving are thehallmarks of thisprecision machinedcylinder head. Modernhelicopters withcooling fans designedfor higher revving 61s are often insufficient forthe ...
£73.99
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In stock
Improved cooling anda significant weightsaving are thehallmarks of thisprecision machinedcylinder head. Modernhelicopters withcooling fans designedfor higher revving 61s are often insufficient forthe slower revving Max 91SX-H, so here's a littlehelp from O.S!