Products PWC- Sea DooRegulator Voltage Back Regulator Voltage 278-001-073/ 278-001-240 Fit on models: 1997 Sea-Doo GSX 1997 Sea-Doo XP 1998-1999 Sea-Doo Chanllenger 1998-1999 Sea-Doo Speedster You May Also Be Interested In Regulator Voltage 8099-2004 / 230-22057 / 278-000-443 Regulator Voltage 8099-2003 / 230-22055 / 278-001-056 /278-001-239 Piston Kit 09-831-01 Piston Ring R09-807-01