This Annovi Reverberi Pump, RMV2.5G30D, 3000PSI@2.5GPM (RMV2.5G30) bolts directly onto a gas engine up to 6.5 HP. This pump is shipped ready-to-install - remove your old pump, align the new pump with shaft key in place, then bolt on and go. Annovi Reverberi pumps are quality made economical options for most factory original pumps. It is most commonly used with Honda GC160 motors with a horizontal shaft. Works with popular brands like: Karcher, Briggs, Briggs & Stratton, Brute, BSPP Elite, Campbell Hausfeld, Clean Shot, Companion, Craftsman, Delta, Devilbiss, Dewalt, Diamond, Excell*, Generac, Husky, Husqvarna, Job Boss, John Deere, Maxus, Murray, Faip, Porter Cable, Power Boss, Sears, Simplicity, Speed Clean, Task Force, Troy-Bilt, Vox, Water Blaster, Ryobi, Rigid, Campbell Hausfeld and more.