Nitrite-Coated Piston Rings – Enhanced sealing and longevity
8:1 JE piston kit with a wrist pin and clips
nikasil plated by Millennium Technologies for superior durability
13 ply cotton mesh design
The best on the market for max RPM and durability
13-16 Honda CRF450R CRF 450R Kibblewhite Head Intake Exhaust Valves KP RED Seals 250SX Nitrite-Coated Piston Rings – Enhanced30 31616, 30 31612, 14711 MEN A30, 14721 MEN A70, 12209 GB4 682, 30 31600, 30 31580,Unlock power in your 13 16 Honda CRF450R with Kibblewhite BLACK Diamond Intake Exhaust Valves & RED Viton Seals. Replaces OEM (14711 MEN A30, etc.), requires Kibblewhite springs (30 31250). Race ready, better than OEM, Made in USA for high RPM reliability. 13 16 CRF450R Kibblewhite Head Intake Exhaust Valves & Seals Set Unlock True Power: Elevate Your CRF450R with High