YZ250 YZ 250 BIG BORE Cylinder 72mm Cylinder Head Power Valve Wiseco Top End Kit

Unlock the hidden power of your YZ250 with this complete 72mm big bore top end kit - the easy bolt-on solution for transforming your bike into a high-performance racing machine.

Big Bore Cylinder, Big Bore Cylinder Head, Big Bore Power Valve, Piston, Gaskets, Spark Plug

• 72mm bore Wiseco forged piston increases displacement for more power (Includes Rings, Wristpin, & Circlips)
• Cometic top-end gasket kit ensures a leak-free seal
• Big bore cylinder head flows more air/fuel for maximum power gains
• Big bore cylinder head - Required for 72mm big bore kit
• Big bore power valve kit - Required for 72mm big bore kit
• NGK Spark Plug to make sure it fires right up!
• 1-year warranty on cylinder for peace of mind

This bolt-on big bore kit is perfect for motocross racers and performance enthusiasts who want to unlock their YZ250's full potential. The significant increase in power will allow you to blast out of corners, clear jumps with ease, and motor past competitors on straightaways. Plus, the kit requires no case modifications, so installation is a breeze. Whether you're a casual trail rider or an aspiring pro racer, this complete 72mm top end kit will take your YZ250's performance to the next level.