89 90 Honda GB500 GB 500 OEM Head Kibblewhite Intake Exhaust Valves Viton Seals YZ250FX Complete seal kit

Complete seal kit

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🔥 Complete Top End Performance Rebuild

Works on all OEM or aftermarket valves

at our Upland

89 90 Honda GB500 GB 500 OEM Head Kibblewhite Intake Exhaust Valves Viton Seals YZ250FX Complete seal kitRev Up Your 89 90 Honda GB500 with Kibblewhite Valves! Direct OEM replacement valves designed specifically for the '89 '90 Honda GB500 Kibblewhite's legendary one piece stainless steel Black Diamond valves the best on the market Precision machined for superior durability and performance Viton valve stem seals for optimal sealing and heat resistance Significant horsepower and torque gains across the RPM range Give your classic Honda GB500 a new lease