TRX400EX Top End Rebuild Kits - Dune Goons
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TRX400EX Top End Rebuild Kits

Includes piston(s), rings, wrist pin, circlips, top-end gaskets, and sometimes a timing chain. For restoring compression or worn cylinders.

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22 products in TRX400EX Top End Rebuild Kits
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    Wiseco 85.50mm Top End Kit Honda TRX400EX TRX400X XR400R - Dune Goons
    Wiseco 85.50mm Top End Kit – Honda TRX400EX / TRX400X / XR400R (1996-2014)
    $426.00
    TRX400EX 85mm Top End Kit WSM - Dune Goons
    TRX400EX 85mm Top End Kit WSM
    $418.00
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    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 88.00mm Bore (+3.00mm Oversize) - 11.0:1 High Compression - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 88.00mm Bore (+3.00mm Oversize) - 11.0:1 High Compression - 4-Stroke
    $505.00
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    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 88.00mm Bore (+3.00mm Oversize) - 10.0:1 Compression - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 88.00mm Bore (+3.00mm Oversize) - 10.0:1 Compression - 4-Stroke
    $469.00
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    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 87.00mm Bore (+2.00mm Oversize) - 10.0:1 Compression - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 87.00mm Bore (+2.00mm Oversize) - 10.0:1 Compression - 4-Stroke
    $469.00
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    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 85.50mm Bore (+0.50mm Oversize) - 11.0:1 High Compression - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 85.50mm Bore (+0.50mm Oversize) - 11.0:1 High Compression - 4-Stroke
    $462.00
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    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 85.50mm Bore (+0.50mm Oversize) - 10.0:1 Compression - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 85.50mm Bore (+0.50mm Oversize) - 10.0:1 Compression - 4-Stroke
    $426.00
    Sold Out
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 87.00mm Bore (+2.00mm Oversize) - 11.0:1 High Compression - 4-Stroke
    $505.00
    Sold Out
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 86.00mm Bore (+1.00mm Oversize) - 11.0:1 High Compression - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 86.00mm Bore (+1.00mm Oversize) - 11.0:1 High Compression - 4-Stroke
    $462.00
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 86.00mm Bore (+1.00mm Oversize) - 10.0:1 Compression - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 86.00mm Bore (+1.00mm Oversize) - 10.0:1 Compression - 4-Stroke
    $426.00
    Sold Out
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 89.00mm Bore (+4.00mm Big Bore) - 440cc - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 89.00mm Bore (+4.00mm Big Bore) - 440cc - 4-Stroke
    $505.00
    Sold Out
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 85.00mm Bore (Standard) - 10.0:1 Compression - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 85.00mm Bore (Standard) - 10.0:1 Compression - 4-Stroke
    $418.00
    Sold Out
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996 - 2014) - 85.00mm Bore (Standard) - 4 - Stroke - Dune Goons
    Wiseco Forged Series Piston Kit with Gaskets - Honda TRX400EX/TRX400X/XR400R (1996-2014) - 85.00mm Bore (Standard) - 4-Stroke
    $462.00
    Sold Out
    Wiseco 88mm Big Bore 11:1 Top End Kit Honda TRX400EX TRX400X XR400R - Dune Goons
    Wiseco 88mm Big Bore 11:1 Top End Kit – Honda TRX400EX / TRX400X / XR400R (1996-2014)
    $505.00
    Wiseco 85.00mm 11:1 Top End Kit Honda TRX400EX TRX400X XR400R - Dune Goons
    Wiseco 85.00mm 11:1 Top End Kit – Honda TRX400EX / TRX400X / XR400R (1996-2014)
    $462.00
    Wiseco 85.00mm Standard Top End Kit Honda TRX400EX TRX400X XR400R - Dune Goons
    Wiseco 85.00mm Standard Top End Kit – Honda TRX400EX / TRX400X / XR400R (1997-2014)
    $418.00
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    Honda TRX400EX/X Vertex 440cc Forged Big Bore Piston Kit – 86.97mm - Dune Goons
    Honda TRX400EX/X Vertex 440cc Forged Big Bore Piston Kit – 86.97mm (2000-2014)
    $371.00
    TRX400EX Engine Rebuild Kit 1999–2004 | Wrench Rabbit WR101 - 192 - Dune Goons
    TRX400EX Engine Rebuild Kit 1999–2004 | Wrench Rabbit WR101 - 192 - Dune Goons
    TRX400EX Engine Rebuild Kit 1999–2004 | Wrench Rabbit WR101-192
    $1,252.00
    TRX400EX / TRX400X 87mm Big Bore Rebuild Kit | WR101 - 198 - Dune Goons
    TRX400EX / TRX400X 87mm Big Bore Rebuild Kit | WR101-198 (2005-2014)
    $1,252.00

    Includes piston(s), rings, wrist pin, circlips, top-end gaskets, and sometimes a timing chain. For restoring compression or worn cylinders.