Speedmaster Stinger Strut It can be quickly adjusted from positive to negative thrust angles. The bushing is cross-drilled to hold grease for an extra smooth driveline. It is constructed from high-quality aluminum and CNC-machined to tight tolerances. This has often been copied by other manufacturers but has never truly been duplicated. We offer four sizes: - SPDSD-2140: Electric/Nitro for 3/16" (.187") propeller shafts. - SPDSD-6090: Nitro, for 1/4" (.250") propeller shaft. - SPDSD-G250: Gas for 1/4" (.250") propeller shaft, larger and stronger mounting plate for larger gas-sized boats.Specs:Length (All Struts): 82.5mm (3.25")Mounting bracket for Standard & Nitro Struts- Height: 43mm (1.69")- Width: 30mm (1.18")Mounting bracket for Gas Strut- Height: 58mm (2.28")- Width: 38mm (1.49") Notes: 3/16" size use k&s 8131 1/4" stuffing tube (with no teflon) 1/4" sizes use k&s 8133 5/16" stuffing tube (with no teflon)
