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Circlips: Ensure a secure fit for your piston
Complete Motor Engine Gasket Kit: Includes an ATHENA or COMETIC BIG BORE multi-layer steel (MLS) head gasket for superior sealing and reduced engine wear
the intake manifolds ensure seamless integration and boosted airflow
High-quality
14-20 Yamaha YZ450F YZ 450F Kibblewhite Stock Std Intake & Exhaust Valves Seals UNI Filter Circlips: Ensure a secure fit80 80872,80 80876,80 80872T,80 80876T,1SL 12111 00 00,1SL 12121 00 00,51Y 12119 00 00 YZ450F YZ450FX WR450F Kibblewhite Black Diamond Valve Kit '14 20 OEM Replacement ALL 4 Reclaim Lost Power: Restore Your Yamaha's Engine Precision & Durability! Is your Yamaha YZ450F, YZ450FX, or WR450F feeling sluggish? Worn valves can lead to compression loss, poor starting, and diminished power. This Complete Set of Kibblewhite Black Diamond Performance Valves (All