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This Kibblewhite Viton Valve Stem Seals 4-Pack (KPMI Part# 71012-4) is engineered for precise fitment and seamless integration into your classic Norton motorcycle
A: Professional engine builders and performance shops only
Replaces Honda OEM Part# 91002-MN1-671
Replaces OEM Part # 92900-10040-0B
CYLINDER WORKS 96mm Nikasil cylinder stock bored for bolt-on horsepower
20+ Yamaha YZ250FX YZ 250FX Kibblewhite Race Titanium Valves Springs Kit & Seals LT250R This Kibblewhite Viton Valve Stem80 82300, B7B 12113 00 00, B7B 12114 00 00, 1SM 12126 00 00, B7B 12116 00 00, 4TE 12119 00 00,33M 12119 00 00 , MRS15,MRS14 span> Kibblewhite Performance Titanium Valve Spring Kit with KPMI RED VITON SEALS! The Best On The Market! Yamaha YZ250F Years 2019 2020 2021 2022 2023 2024 2025 Yamaha YZ250FX Years 2020 2021 2022 2023 2024 2025 Yamaha WR250F Years 2020 2021 2022 2023 2024 2025 + Kibblewhite Hi Temp RED Viton Valve Stem Seals (You will get
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