BOLD MAGENTA part numbers are new for 2024 PARTS-UNLIMITED.COM 2024 | OFFROAD ENGINE 1236 DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 4-6 FOR CATEGORY CODES, IMPORTANT EPA/CARB EMISSION DEFINITIONS AND REGULATORY COMPLIANCE AND NOTICE REGARDING NOISE REGULATIONS. PRODUCTS NOT LEGAL FOR SALE OR USE IN CALIFORNIA ON ANY POLLUTION CONTROLLED MOTOR VEHICLES IF NOT CATEGORIZED AS “1” OR “4”. FITS MODEL 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 - 0926-2561 - CRF450X 05-17 - 0926-2561 - FITS MODEL MASTER TITANIUM/STEEL KIT SINGLE INTAKE VALVE SINGLE EXHAUST VALVE YAMAHA YZ250F 14-18 - 0926-2887 0926-2888 YZ450F 03-09 - - 0926-2557 YZ450F 14-17 - 0926-2898 - PART # SUG. RETAIL 0926-2538 $512.74 0926-2553 114.19 0926-2557 114.19 PART # SUG. RETAIL 0926-2561 $114.19 0926-2887 114.19 0926-2888 114.19 PART # SUG. RETAIL 0926-2898 $114.19 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 Titanium Valves 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 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 • 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. 0926-1623
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