Watch out for the cheap Chinese parts flooding the market! These are QTY (4) high performance 2012-2019 KX450F valve buckets. Heat treated and precision ground steel with laser etched size for easy identification. Condition is new. These are intended for racing and high performance applications and will outlast stock buckets. USPS First Class shipping. We make these buckets, we are not just a reseller. Email me with questions!