Replacement knob assembly for QA1 single adjustable shocks. Works with Proma Star, Stocker Star, and Ultraride Shocks. Includes one knob assembly with check ball, spring, and set screw.
Replacement knob for the following shock part numbers: DS301, DS302, DS303, DS304, DS305, DS306, DS307, DS401, DS402, DS403, DS404, DS415, DS416, DS501, DS502, DS509, DS511, DS515, DS516, DS529, DS533, DS534, DS601, DS602, DS603, DS701, DS702, DS703, DS901, DS902, DS903, GS401, GS501, GS502, GS506, GS507, GS508, GS510, GS518, GS601, GS701, MS301, MS302, MS303, MS618, MS718, TS302, TS303, TS401, TS402, TS403, TS404, TS405, TS501, TS503, TS504, TS505, TS506, TS507, TS510, TS511, TS512, TS513, TS514, TS515, TS516, TS517, TS518, TS519, TS520, TS601, TS702, TS703, TS704, TS705, TS706, TS707, TS708, TS709, TS710, TS801, TS802, TS803, TS804, TS805, TS806, TS807, TS809, TS901, TS902, TS903, TS904, TS905, TS906, TS907, TS908, US302, US304, US402, US404, US502 and US602.