ktmbb-GAC 0270100004
ktmbb-GAC 0270100017
ktmbb-GAC 0270100021
huskybb-GAC 0270100017

Get more power and torque with premium quality European big bore kits that include, cylinder, piston, rings, and all gaskets required for a hassle free conversion.

Spare pistons, rings, and gaskets also available.

Can't see your bike listed here, or the product you want is not in stock? Get in touch to see if there's a kit for your model and ask about price and availability.

Athena Big Bore Kits - KTM

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items left in stock

Please note, some some stock is located in store and others at our nationwide warehouse, please allow 1-2 days for collection in store or send us a message. If no stock available please email for real-time ETA
Stock Item
  • ATHENA BIG BORE KIT KTM EXC-F 250 '14-16 / HUSQVARNA FE 250 '14-16
  • Big Bore Kit KTM SX250F 250/280 06/10
  • BIG BORE KIT KTM SX-F 250 2016 (276 cc)

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