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Sportsman 400 450 Top End Rebuild: Piston, Rings, Top End Gaskets
Rebuild your top end with this complete kit. The kit is centered around a new Namura piston kit. These pistons are top quality and include all the features of the more expensive pistons like teflon coated skirts, anodized domes, and machine finished heads. This kit includes a STANDARD 87.89 MM piston kit with rings, pin and circlip. The top end gasket kit includes head, base, side cover and exhaust gasket to rebuild the top end of your Polaris 400. Even includes the valve seals! Don’t ever re-use old gaskets when rebuilding your engine! High quality non-asbestos materials are used in kit. Includes all of the following parts shown in the photo including:
- Std. Piston Kit
- Head Gasket
- Base Gasket
- Valve Cover Gasket
- Exhaust Gasket
- Cam Cover Gasket
- Water Outlet Gasket
- Valve Seals (4)
- Camshaft Adapter O-ring
This top end repair kit fits the following models:
2001-05 Sportsman 400
2008-14 Sportsman 400
2004-05 Ranger 400
2010-14 Ranger 400
2011-14 Hawkeye 400
2006-07 Sportsman 450
$129.95$116.96 -
Sportsman 400 Top End Gasket Set
Kit includes head, base, side cover and exhaust gasket to rebuild the top end of your Polaris 400/425/450 four stroke motor. Even includes the valve seals! Don’t ever re-use old gaskets when rebuilding your engine! High quality non-asbestos materials are used in kit. Includes all of the following top end gaskets shown in the photo including:
- Head Gasket
- Base Gasket
- Valve Cover Gasket
- Exhaust Gasket
- Cam Cover Gasket
- Water Outlet Gasket
- Valve Seals (4)
- Camshaft Adapter O-ring
This gasket kit fits the following models:
2001-05 Sportsman 400
$49.95$44.96Sportsman 400 Top End Gasket Set
$49.95$44.96 -
Trailblazer 400 Top End Gasket Set
Kit includes head gasket, base gasket, reed valve gasket and exhaust gasket to rebuild the top end of your Polaris ATV 400 two stroke. Don’t ever re-use old gaskets when rebuilding your engine! High quality non-asbestos materials are used in kit. Includes all of the following top end gaskets shown in the photo including:
- Head Gasket (Replaces Polaris # 3084731)
- Base Gasket (Replaces Polaris # 3084729)
- Reed Valve Gasket (Replaces Polaris # 3084148)
- Exhaust Gasket (Replaces Polaris #3084439, 3086757)
This gasket kit fits the following models:
1994-95 400L
1994-97 400L Big Boss
1995-02 Scrambler 400
1994-99 Sport 400
1994-97 Sportsman 400L
1996-97 Xpress 400
1995-02 Xplorer 400
2003 Trail Blazer 400
$24.95$22.46Trailblazer 400 Top End Gasket Set
$24.95$22.46
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