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*Vertex piston and cylinder shown(no longer available) Kit comes with OEM cylinder and JE piston kit

490cc 100mm 12.8:1 big bore kit. Fits RMZ450. Includes: Bored and Nikasil plated cylinder, forged 100mm JE piston kit (piston, rings, pin and clips) and top-end gasket set. It is a bolt on kit, (no crankcase machining etc.)

We can ship the kit right away for $500.00 and do an authorization on your credit card for the $300.00 core charge. The authorization will be voided when you send your old cylinder back. The authorization does not show up on your card, it just puts a hold on the $300.00