Revitalize your Polaris Big Boss 400L with this complete top end rebuild kit. This premium kit has everything you need for a fresh new start, including a new 83mm cylinder, 83mm Wiseco piston kit, Vertex gaskets, and more.
Fits: Polaris Big Boss 400L, 1994, 1995, 1996, 1997
- Brand new 83mm cylinder and 83mm Wiseco piston kit ensure optimum displacement and power
- Complete top end gasket kit by Vertex Winderosa prevents leaks
- Heavy duty wrist pin bearing for smooth, reliable performance
- NGK spark plug fires up your motor with ease
- Guaranteed fitment with all OEM components
Fits Vehicles:
- Polaris 400L 2X4: 1994-1995
- Polaris 400L: 1994-1995
- Polaris Big Boss 400L 6X6: 1994-1997
- Polaris Scrambler 400 2X4: 2000-2002
- Polaris Scrambler 400: 1996-2002
- Polaris Sport 400: 1994-1999
- Polaris Sport 400L: 1994-1998
- Polaris Sportsman 400: 1994-1997
- Polaris Sportsman 400L: 1997
- Polaris Trail Blazer 250 ES: 1996
- Polaris Trail Blazer 250: 1996-1997
- Polaris Trail Blazer 400: 2003
- Polaris Xplorer 250: 2000-2002
- Polaris Xplorer 400: 1995-2002
- Polaris Xpress 300: 1996-1997
- Polaris Xpress 400: 1996-1997
Give your tired 400L the rebuild it deserves. This kit is designed to bolt right on and bring back the power and torque you remember. Riders looking to refresh their engine will love the instant increase in performance. Upgrade today and feel the rush of a rebuilt top end.
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