Polaris use two type of regulators please see picture if it looks the same as our. The other Polaris regulator one has the brass type outlet nozzle.
INCLUDES ALL O-RINGS, WILL RESTORE +/- 39PSI FUEL PRESSURE REQUIRED
SERVICES POLARIS ASSEMBLY #'S: 2520502, 2520437, 2520311, 2520461, and others
Fitment 04-07 Sportsman 500 / 700 / 800 (attn some sportsman 500 models requires the brass regulator this one will not fit)
2008 Polaris Sportsman 500 HO
2004-2005 Polaris Sportsman 700
2007 Polaris Sportsman 800 EFI X2
2006 Polaris SPORTSMAN X2
2006-2007 Polaris SPORTSMAN X2 500
2007 Polaris Sportsman X2 550