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Honda TRX400EX...
TRX400EX
A great quad for flying through the backwoods / desert / just having fun. We can help you make yours scream, yet maintain reliability
For any of our articles on how-to/installation, click here for our TRX400EX tech pages
 
Complete 440 Big Bore Kit Piston Sleeve Top End Gasket Set Jetting kit K&N Air Filter Spark Plug Oil Filter Years: 99-07  
P/N KETRX440A  
$396
 
 
Complete440 Big Bore Kit with sleeve installed in your cylinder Piston Sleeve Top End Gasket Set Jetting kit K&N Air Filter Spark Plug Years: 99-07  
P/N KETRX440B  
$546
 
 
Complete 440 Big Bore Kit with sleeve installed Piston Sleeve Top End Gasket Set Jetting kit K&N Air Filter Spark Plug Years: 99-07  
P/N KETRX440B  
$546
 
 
Complete 440 Big Bore Kit installed in your motor Piston Sleeve Top End Gasket Set Jetting kit K&N Air Filter Spark Plug Years: 99-07  
P/N KETRX440C  
$721
 
 
Complete 440 Big Bore Kit installed in a new cylinder Piston Sleeve Top End Gasket Set Jetting kit K&N Air Filter Spark Plug Years: 99-07  
P/N KETRX440D  
$851
 
 
Thumper Racing 440 Piston Kit 11:1 Years: 99-07  
P/N PKXR5  
$145
 
 
12.5:1 Piston Kit XR440 Race Motor Years: 99-07  
P/N 4794m089  
$155
 
 
Thumper Racing 440 Top End Gasket Kit Years: 99-07  
P/N GAXRS5  
$50
 
 
Big Bore Sleeve XR440 Years: 99-07  
P/N PKXR5C  
$89
 
 
Dyno jet kit TRX440/426/416 Years: 99-07  
P/N 818107  
$55
 
 
Oil Filter Years: 99-07  
P/N FIOILXR1  
$7
 
 
Spark Plug Years: 99-07  
P/N DPR9Z  
$5
 
 
K&N Air Filter Years: 99-07  
P/N ha4099  
$45
 
 
TRX416 Big Bore Kit 11:1 Compression Piston Top End Gasket set Jetting kit K&N Air Filter Oil Filter Spark Plug Years: 99-07  
P/N TRX416A  
$302
 
 
TRX416 Big Bore Kit 11:1 Compression installed in your cylinder Piston Top End Gasket set Jetting kit K&N Air Filter Oil Filter Spark Plug Years: 99-07  
P/N TRX416B  
$351
 
 
TRX416 Big Bore Kit 11:1 Compression installed in your motor Piston Top End Gasket set Jetting kit K&N Air Filter Oil Filter Spark Plug Years: 99-07  
P/N TRX416C  
$526
 
 
TRX426 Big Bore Kit 11:1 Compression Piston Top End Gasket set Jetting kit K&N Air Filter Oil Filter Spark Plug Years: 99-07  
P/N TRX426A  
$302
 
 
TRX426 Big Bore Kit 11:1 Compression installed in your cylinder Piston Top End Gasket set Jetting kit K&N Air Filter Oil Filter Spark Plug Years: 99-07  
P/N TRX426B  
$351
 
 
TRX426 Big Bore Kit 11:1 Compression installed in your motor Piston Top End Gasket set Jetting kit K&N Air Filter Oil Filter Spark Plug Years: 99-07  
P/N TRX426C  
$526
 
 
Thumper Racing 416 Piston Kit 11:1 Years: 99-07  
P/N 4628M87  
$140
 
 
Thumper Racing 426 Piston Kit 11:1 Years: 99-07  
P/N 4628M88  
$140
 
 
Thumper Racing 416/426 Top End Gasket Kit Years: 99-07  
P/N W5942  
$50
 
 
 
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