909887 Stop nicking reverse when you quickly shift to second gear. End your worries about hitting first gear when downshifting from 4th to 3rd. The secret is Weltmeisters clever use of high compression springs that guide the shift lever in the 2nd-3rd-4th-5th shift pattern, preventing accidentally hitting first or reverse, easy DIY Installation, drilling required, drill & instructions included, for 901 gearboxes only