Replaces OEM Part Numbers: Polaris 3131324. Compatible with: Polaris 2001 Trail Boss 325. Main Jet Installed: 122; Main Jet Spares: None; Pilot Jet Installed: 48; Pilot Jet Spares: None; Air Jet Installed: 70mm. Input Port Size OD: 40mm; Input Port Size ID: 31mm; Output Port Size OD: 50mm; Output Port Size ID: 46mm. Center Hole to Center Hole: None; Choke is Automaticity; Bowl Heater Included? No.
