11005-0080, S410250001137, S410250301010, C3551, P400250160003, P400250100010, 11061-0234, 13001-0079, 13002-0014, 13008-0022, 92033-1188, 4973M09600, 4974M09600, 808920, 822334, P400250100009, S4F100000160, A-KFX450R-100-CG, 8773D400, C3201, C3202

Kawasaki KFX450R Big Bore Top End Kit 490cc Wossner 12.5:1 Piston & Athena Cylinder

Unlock the full potential of your Kawasaki KFX450R with our premier Big Bore Top End Kit! Elevate your ATVs performance with this reliable and powerful 490cc upgrade designed for models from 2008 to 2014 (Fits ALL Years).

Whats Included:

• Athena 100mm Big Bore Nikasil Cylinder (Made in Italy) Engineered for durability and optimal performance.
• Wossner100mm 12.5:1 Compression Forged Piston Kit (Made in Germany) Comes complete with piston, pin, rings, and clips, perfect for those who demand the best.
• Athena or CometicComplete Top End Gasket Kit Ensures a perfect seal for peak efficiency.
• Larger Water Jackets for improved cooling Keep your engine running smoothly even under heavy loads.

This kit is perfectly optimized for pump gas or race gasand is designed to work seamlessly with your stock head and valves. With a warranty included, it’s the smart and secure choice for ATV enthusiasts.

Why Choose Us?

At, we pride ourselves on offeringThe Best Parts, The Best Performance,andThe Best Price. Experience the thrill of enhanced acceleration and power while enjoying the peace of mind that comes with high-quality, reliable components.

Transform your ride today!Whether you’re racing or cruising, this Big Bore Top End Kit guarantees an exhilarating experience every time you hit the trails. Dont miss outget yours now and BRAPPPPPPPPPP into action!

– The Best Parts. The Best Performance. The Best Price. BRAPPPPPPPPPP!