Quick view Compare Add to Cart The item has been added KIBBLEWHITE PERCISION MACHINING INC. 06+ TRX450R/ER / 02-08 CRF450R / 05-17 CRF450X Kibblewhite Valve Guide Seal Kit (Set of 4) MSRP: Was: Now: (Inc. Tax) MSRP: Was: Now: $13.96