SBT Cylinder Kit for Sea-Doo 421000056, 420923806, 420923805

Complete cylinder kit including piston, rings, and gaskets for a matched top-end rebuild. Electroplated bore and precision-machined components restore compression and performance.
Replaces OEM# 421000056, 420923806, 420923805, 290923239

• HX 1995–1997
• XP 1995–1995
• Speedster 1996–1999
• Sportster 1996–2000
• GTI 1996–2005
• SPX 1996–1996
• GS 1997–2001
• GSI 1997–1997
• GTS 1997–2001
• SP 1997–1997
• Challenger 2000–2001
• Explorer 2002–2002

• 1995 HX
• 1995 XP
• 1996 HX
• 1996 SPEEDSTER
• 1996 SPORTSTER
• 1996 GTI
• 1996 SPX
• 1997 HX
• 1997 SPEEDSTER
• 1997 SPORTSTER
• 1997 GTI
• 1997 GS
• 1997 GSI
• 1997 GTS
• 1997 SP
• 1998 SPORTSTER
• 1998 GTI
• 1998 GS
• 1998 GTS
• 1998 SPORTSTER 1800
• 1999 SPORTSTER
• 1999 GTI
• 1999 GS
• 1999 GTS
• 1999 SPORTSTER 1800
• 1999 SPEEDSTER SK
• 2000 SPORTSTER
• 2000 GTI
• 2000 GS
• 2000 GTS
• 2000 CHALLENGER 1800
• 2001 GTI
• 2001 GS
• 2001 GTS
• 2001 CHALLENGER
• 2002 GTI
• 2003 GTI
• 2004 GTI
• 2005 GTI
• 2002 EXPLORER