Seller notes

Description: New in the sealed box, never opened complete 400EX / 400X 440CC 89mm Big Bore Piston This listing is for a 440cc big bore 89mm piston for your HONDA 400EX 400XThis is the replace piston for the Namura Big Bore kit or for any 89mm 400EX 400X This is the entire cylinder no core charge or sleeving required, true bolt on equipment You will recieve: New 89mm 11:1 piston, piston pin & c-clips Made for the TRX400EX / TRX400X 1999-2012 Check out are other listings for gaskets, big bore hotc...

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