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O.S. MAX 91SX-H Ring C-Spec PS Viper
O.S. MAX 91SX-H Ring C-Spec PS Viper
Stock Code L-OS19071
£359.99
Overview
O.S. MAX 91SX-H Ring C-Spec PS ViperThe demands of 3D flight require the very best performance from your engine. By adding a regulated pump system to the fabulous 91SX-H Ring C-Spec OS have created a masterpiece of power and stability under extreme flight performance.
No matter what contortions your model goes through you can be sure of a constant fuel supply. Due to worldwide variations in fuels there is an optional mid range needle available so that you can adjust that fuelling requirement to suit as well.