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Convert your CRF/XR50 to an 88cc screamer with this complete kit
Two side vents for optimal airflow
Large easy to use free spool knob
Radon Drystar® Boots - Black - US 4 / EU 37
COMETIC Top End Gasket Kit C7181 100percent Convert your CRF/XR50 to anTop End Gasket Kit Top end gasket kits include correct base, head gasket and cylinder O rings as well as other top end specific O rings or seals needed for R&R of top end, MLS head gaskets promote an even torque load across the gasket sealing surface, providing less bore distortion and better piston ring seal for more power, 4 stroke head gaskets are made to perform on todays highest output 4 stroke naturally aspirated and boosted machines, utilizing