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500/501 - 590 KIT

500/501 - 590 KIT
  • 500/501 - 590 KIT

Price: $825.00

Available Options:
Basic Kit:
Send Motor to Thumper:
Dobeck Controller:
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Fits KTM models: 2007-2011 530EXC/XCF-W, 2012-2016 500EXC/XCF-W and matching Husqavarna models. 

Basic kit includes:  102mm Piston kit, Top End Gasket set, Custom Aluminum Big Bore Sleeve installed in YOUR cylinder, Nikasil plated and diamond hone to exact clearances, Jetting Kit if required.

For bikes with fuel injection, ECU must be sent into Thumper Racing for reflash to big bore kit.  Reflash is $65 extra when purchasing kit.

Kit is also available in a billet cylinder no core exchange required. Billet Cylinder is recommended for any motor running high compression or nitrous. Cylinder has thicker cylinder walls, larger water jacket and extremely cool factor as well. 

Remapping can only be performed on ECUs that have been unlocked before July 1st 2015. For ECUs that have not been unlocked there is no way to currently unlock them and a Dobeck FI controller is required. 


**NOTE **Requires sending your stock cylinder in to Thumper for rework.  To save on downtime, we can send you the basic kit with a finished cylinder for an extra $300 deposit.  When you ship your old cylinder back to us within 30 days of receiving the kit.

Please call or email for availability of core cylinders.

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