BOLD MAGENTA part numbers are new for 2023 PARTS-UNLIMITED.COM 2023 | OFFROAD ENGINE 1058 DISCLAIMER: NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES. SEE PAGES 4-5 FOR IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. FITS MODEL TYPE OD X ID X HEIGHT PART # SUG. RETAIL HONDA CRF250R/X 04-17 Intake 1.339” x 1.024” x .375” 0926-1625 $27.95 CRF250R 04-09/X 04-16 Exhaust 1.142” x .827” x .375” 0926-1621 27.95 CRF250R 10-16 Exhaust 1.102” x .787” x .375” 0926-1620 27.95 CRF450R 02-17 Intake 1.516” x 1.142” x .434” 0926-1627 36.95 CRF450R 02-08 Exhaust 1.378” x 1.024” x .434” 0926-1626 30.95 CRF450R 09-12 Exhaust 1.339” x 1.024” x .375” 0926-1625 27.95 KAWASAKI KX250F 04-16 Intake 1.260” x .945” x .374” 0926-1623 27.95 Exhaust 1.102” x .787” x .374” 0926-1620 27.95 KLX450R 08-16 Exhaust 1.339” x 1.024” x .375” 0926-1625 27.95 KX450F 06-16 Intake 1.535” x 1.024” x .434” 0926-1628 36.95 Exhaust 1.378” x 1.024” x .434” 0926-1626 30.95 FITS MODEL TYPE OD X ID X HEIGHT PART # SUG. RETAIL SUZUKI RM-Z250 04-16 Intake 1.260” x .945” x .374” 0926-1623 $27.95 Exhaust 1.102” x .787” x .374” 0926-1620 27.95 DRZ-400 00-19 Exhaust 1.260” x .945” x .374” 0926-1623 27.95 RM-Z450 08-20 Exhaust 1.299” x .984” x .375” 0926-1624 27.95 YAMAHA WR/YZ250F 01-13 Intake .984” x .669” x .355” 0926-16191 27.95 Exhaust 1.102” x .787” x .374” 0926-16201 27.95 YZ450F 03-09,WR450F 03-16 Intake 1.142”x .827”x .375” 0926-16212 27.95 YZ450F 10-13 Intake 1.535”x 1.181”x .434” 0926-16283 36.95 Exhaust 1.299”x .984”x .375” 0926-16243 27.95 1 Yamaha YZ250F 01/WR250F are 5-valve engines using three intake seats and two exhaust seats. 2 The YZ450F 03-09 and WR450F 03-13 are 5-valve engines using three intake seats and two exhaust seats. 3 The YZ450F 10-13 are 4-valve engines using two intake and two exhaust seats. VALVE SEATS FOR TITANIUM VALVES • Copper-based material designed specifically for use with titanium valves in high-performance applications • Give the seat excellent thermal characteristics as well as resistance to corrosion and wear • These seats are the result of a two-year KPMI R&D effort during which we recorded and verified results with 4- and 5-valve singles,multi-cylinder street bikes, and British and European 4-strokes 0926-1623 • In each test the wear, thermal conductivity and machinability surpassed the standards we set for success • These seats are used by successful builders around the world in all forms of racing • Sold each • Made in the U.S.A. NOTE: All applications listed use two intake and two exhaust seats unless otherwise noted. FITS MODEL INTAKE VALVE KIT MASTER TITANIUM/ STEEL KIT SINGLE INTAKE VALVE SINGLE EXHAUST VALVE HONDA CRF250R 08-09 - 0926-2538 - - CRF250X 08-17 - 0926-2538 - - CRF450R 02-06 - - - 0926-2553 CRF450R 02-08 0926-2529 - 0926-2561 - CRF450X 05-17 0926-2529 - 0926-2561 - FITS MODEL INTAKE VALVE KIT MASTER TITANIUM/ STEEL KIT SINGLE INTAKE VALVE SINGLE EXHAUST VALVE YAMAHA YZ250F 14-18 - - 0926-2887 0926-2888 YZ450F 03-09 - - 0926-25681 0926-2557 YZ450F 14-17 - - 0926-2898 0926-2897 1 Outer intake. PART # SUG. RETAIL 0926-2529 $339.95 0926-2538 538.95 0926-2553 117.95 0926-2557 117.95 0926-2561 117.95 PART # SUG. RETAIL 0926-2568 $117.95 0926-2887 117.95 0926-2888 117.95 0926-2897 117.95 0926-2898 117.95 X2 TITANIUM VALVES • Offers the off-road enthusiast superior performance at an excellent value • Incorporates a high-flow design for maximum power and long service life • Features the finest materials, tightest tolerances and best finishes • X2 TitaniumValves are full CrN-coated for extended service life • The X2 valvetrain kits are complete with high-performance valves matched with the correct valve spring as well as precision retainers, spring seats and valve locks
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