WINDSHIELDS & FAIRINGS AUDIO, COMMUNICATION & MOUNTS SADDLEBAGS & LUGGAGE SEATS & SISSY BARS FUEL/AIR SYSTEMS EXHAUST TRANSMISSION & DRIVELINE ENGINE GASKETS & SEALS LIGHTING ELECTRICAL HANDLEBARS, CONTROLS & MIRRORS CABLES TANKS & OIL FILTERS BRAKES DASHES & GAUGES FENDERS & LICENSE PLATE FRAMES HARDWARE, COVERS & GENERAL FRAMES & SUSPENSION FOOTRESTS & FLOORBOARDS WHEELS & AXLES All part numbers in BLUE are new for 2026. SECTION 5 582 See OLDBOOK For Early Model Applications DISCLAIMER: *EMIS (EMISSIONS CATEGORIZATION CODE). SEE PAGES 5-7 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”. PART # DESCRIPTION 0926-3003 18-23 M-Eight, 0.475” Guide OD, 6 mm stem diameter 425002 05-17 Twin Cam (except 17 Dresser)/04-14 XL .0562” OD 7 mm 4250031 05-17 Twin Cam (except 17 Dresser)/04-14 XL 0.562” OD 7 mm PART # DESCRIPTION 425000 99-04 Big Twin 0.421” Guide OD, 5/16” ID 425001 99-04 Big Twin 0.531” Guide OD, 5/16” ID 1 For AV&V double spring conversion (must use a cutting tool). VALVE GUIDE SEALS •Viton® seals •Resist high temperatures; resist up to 50 more degrees than regular Viton seals •Superior sealing •Available in olive green; sold in 4-packs NOTE: Designed for shortened valve guide; will not fit stock guide length due to limited clearance between stock guides and upper spring collars (must use a cutting tool). 0926-3003 425003 PART # OD ID THICKNESS 115059 2.257” 1.550” 0.500” VALVE SEAT INSERT •Constructed from highly alloyed material •Universal application •Easy to machine with cutter and stone •Resists severe pounding and offers improved heat dissipation •Work-hardens during running-in •Radiused for easier installation PART # DESCRIPTION OD ID THICKNESS FOR 17-25 M-EIGHT 0926-3355 Intake 1.732” 1.410” 0.430” 0926-3351 Exhaust 1.378” 1.024” 0.434” 0926-3357 O/S Intake 1.757” 1.371” 0.315” 0926-3352 O/S Exhaust 1.417” 1.023” 0.354” 0926-3356 Intake/exhaust 1.752” 1.417” 0.354” FOR 84-99 EVOLUTION BIG TWIN 0926-3367 Intake/exhaust 2.163” 1.750” 0.455” FOR 66-E84 SHOVELHEAD 0926-3366 Intake 2.135” 1.750 0.400” 0926-3360 Exhaust 1.944” 1.575 0.400” PART # DESCRIPTION OD ID THICKNESS FOR 57-81 XL900 0926-3363 Intake/exhaust 2.068” 1.750” 0.315” FOR 99-17 TWIN CAM, 86-21 XL (EXCEPT RH SPORTSTER) (MACHINING REQUIRED) 0926-3354 Intake/exhaust 1.630” 1.180” 0.385” 0926-3358 Intake/exhaust 1.757” 1.410” 0.430” 0926-3359 Intake/exhaust 1.882” 1.530” 0.410” 0926-3361 Intake/exhaust 2.008” 1.610” 0.440” 0926-3362 Intake/exhaust 2.040” 1.700” 0.425” 0926-3364 Intake/exhaust 2.070” 1.610” 0,450” 0926-3365 Intake/exhaust 2.132” 1.800” 0.460” HIGH CHROME VALVE SEATS •Seats contain 18-22% chromium for resistance to abrasion, corrosion and deformation •Nickel content of 1-2% for added corrosion resistance and toughness •Machined from solid bar stock and ground to exact tolerances PART # DESCRIPTION FOR 17-24 M-EIGHT 0926-3418 0.625” lift (seat pressure 85 lbs.) (titanium retainers) PART # DESCRIPTION FOR 17-24 M-EIGHT (CONT) 0926-3419 0.625” lift (seat pressure 85 lbs.) (steel retainers) VALVE SHIM CONVERSION KIT WITH BEEHIVE VALVE SPRINGS •Conversion kit uses Kibblewhite beehive springs combined with a lightweight valve spring retainer that houses a standard 9.5 mm hardened steel shim •Rocker arm rides directly on the 9.5 mm shim surface, allowing for a significantly greater rocker arm swipe surface area •Increased rocker arm surface contact area allows the ability to run higher lift cams than previously could not be used with valves having a 6 mm valve stem •Rocker shim thickness can be varied by changing shim size to adjust the effect valve stem protrusion height •Machined as a continuous chip •Ideal alternative to powder metal valve seats •Sold each •Made in the U.S.A. •Increase in valve stem protrusion height with this kit is approximately 0.100” •Progressively wound springs using Kobe super-clean, chrome silicon-based wire that is heat-treated and shot peened •Made in the U.S.A. NOTE: To maximize shim contact in the retainer, Kibblewhite strongly recommends tipping (shortening the valve tip). NOTE: Kibblewhite strongly recommends the use of titanium valves with these kits. 0926-3418
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