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SHIPPING UPDATE: Due to high demand, orders are currently processing in 5-7 business days. Need it faster? Contact us to upgrade to expedited shipping! If you’ve found the item elsewhere or can’t wait, no problem—we completely understand. Just reach out to us, and we’ll cancel your order. Thanks for your patience and support! BRAPPPPPPPPPP!

Honda TRX400EX

Honda 400EX Rebuild Kits, Pistons, and Parts

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$359.99
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$248.89

Honda TRX400EX TRX 400EX 400X Stage 1 One Hotcam Hot Cam Hotcams & Timing Chain

Hot Rods

Get ready to take your Honda TRX400EX TRX 400EX 400X to the next level with this Stage 1 One Hotcam Hot Cam Hotcams & Timing Chain kit! This po...

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$359.99
$248.89
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$248.89
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$594.95
$594.95 - $594.95
$594.95
$465.36
$465.36 - $465.36
$465.36

Hot Rods Complete Bottom End Rebuild Kit for 05+ Honda TRX400EX 400EX XR400 400X

Hot Rods

Hot Rods OEM Replacement Complete Bottom End Kit Rebuild KitFits Honda 2005-2008 Sportrax 400EX & 2009-2014 TRX 400X ModelsHot Rods Bottom End ...

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$594.95
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$594.95
$465.36
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$465.36
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$426.90
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$426.90
$399.73
$399.73 - $399.73
$399.73

Honda TRX400EX TRX 400EX 400X Stage 3 Three Hotcams Cam & Hotcams Timing Chain

Hot Rods

Get ready to take your Honda TRX400EX TRX 400EX 400X to the next level with this Stage 3 Three Hotcam Hot Cam Hotcams & Timing Chain kit! This ...

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$426.90
$426.90 - $426.90
$426.90
$399.73
$399.73 - $399.73
$399.73
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$1,099.99
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$1,099.99
$769.99
$769.99 - $769.99
$769.99

99-04 400EX 400 EX 87mm Simple Rebuild Kit Wiseco Piston Complete Gaskets Seals

Hot Rods

Honda TRX 400EX 400X Simple Rebuild Kit (Big Bore 87mm) We've heard your feedback! Some of our kits are Too Complete. We mean it when we say no one...

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$1,099.99
$769.99
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$769.99
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$559.95
$559.95 - $559.95
$559.95
$511.16
$511.16 - $511.16
$511.16

Honda TRX400EX Stroker Crank Bearings Hot Rods 4 mil +4mm Crankshaft Rod Bearing

Hot Rods

4240.13000-HN1-000,13000-MBV-730,CBK0037,91001-KF0-018WORKS ON ALL HONDA 400EX AND 400X MODELS AND YEARS!!Hot Rods Part# 4240Hot Rods +4mm stroker ...

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$559.95
$511.16
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$511.16
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$559.95
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$559.95
$511.16
$511.16 - $511.16
$511.16

TRX 400EX 400X Stroker Crank Hotrods 4mm Stroke Crankshaft & Main Crank Bearings

Hot Rods

4240.13000-HN1-000,13000-MBV-730,CBK0037,91001-KF0-018WORKS ON ALL HONDA 400EX AND 400X MODELS AND YEARS!!Hot Rods Part# 4240Hot Rods +4mm stroker ...

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$559.95
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$559.95
$511.16
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$511.16
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$615.95
$615.95 - $615.95
$615.95
$531.21
$531.21 - $531.21
$531.21

99-04 Honda 400EX 400X Hot Rods Bottom End Crank Rod Rebuild Kit Gaskets Seals

Hot Rods

13000-MBV-730, 4040, 808829, 822139, K014, Hot Rods Wiseco, WPC131A,12191-KCY-673, 13011-KCY-670, 90601-KA5-000,13103-KCY-670, 13111-KCY-670, 12251...

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$615.95
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$615.95
$531.21
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$531.21
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$615.95
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$615.95
$531.21
$531.21 - $531.21
$531.21

99-04 Honda TRX400EX 400EX Hot Rods Hotrods Bottom End Rebuild Kit Crank Gaskets

Hot Rods

13000-MBV-730, 4040, 808829, 822139, K014, Hot Rods Wiseco, WPC131A,12191-KCY-673, 13011-KCY-670, 90601-KA5-000,13103-KCY-670, 13111-KCY-670, 12251...

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$615.95
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$615.95
$531.21
$531.21 - $531.21
$531.21
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Save 18% Save %
$399.99
$399.99 - $399.99
$399.99
$329.98
$329.98 - $329.98
$329.98

Honda TRX400EX TRX 400EX 400X Stage 1 One Hotcam Hot Cam & Hotcams Timing Chain

Hot Rods

Get ready to take your Honda TRX400EX TRX 400EX 400X to the next level with this Stage 1 One Hotcam Hot Cam Hotcams & Hotcams Timing Chain kit!...

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$399.99
$399.99 - $399.99
$399.99
$329.98
$329.98 - $329.98
$329.98
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$1,029.99
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$1,029.99
$799.98
$799.98 - $799.98
$799.98

99-04 400EX 400 EX 89mm Simple Rebuild Kit Wiseco Piston Complete Gaskets Seals

Hot Rods

Honda TRX 400EX 400X Simple Rebuild Kit (Big Bore 89mm) We've heard your feedback! Some of our kits are Too Complete. We mean it when we say no one...

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$1,029.99
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$1,029.99
$799.98
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$799.98
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$1,129.99
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$1,129.99
$789.99
$789.99 - $789.99
$789.99

99-04 400EX 400 EX 88mm Simple Rebuild Kit Wiseco Piston Complete Gaskets Seals

Hot Rods

Honda TRX 400EX 400X Simple Rebuild Kit (Big Bore 88mm) We've heard your feedback! Some of our kits are Too Complete. We mean it when we say no one...

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$1,129.99
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$1,129.99
$789.99
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$789.99
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$199.99
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$199.99
$164.34
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$164.34

99-08 Honda TRX400EX TRX 400EX 09-14 TRX 400X Hot Rods Connecting Rod Kit 8609

Hot Rods

Hot Rods Connecting Rod Kit Works for Honda 1999-2008 Sportrax 400EX / 2009-2014 TRX 400X Models A High Quality Replacement Part Designed to Imp...

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$199.99
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$199.99
$164.34
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$164.34
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$499.99 - $499.99
$499.99
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$499.99

99-04 TRX 400EX Stroker Crank Rebuild Kit Hotrods 4mm Crankshaft Bottom End Part

Hot Rods

FITS ALL '99-04 HONDA 400EX MODELS Hotrods +4mm crankshaft with rod assembled SKF heavy duty replacement crank bearings Complete gasket kit MLS h...

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$499.99
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