Varroc Duro Valve With Seal Yamha Fz R15 V3 4V Yamha-Yamha Fz R15 V3 4V | DURO-YMHA-R15V3SVarroc Duro Valve with Valve Seal is designed to support efficient engine operation by controlling the intake and exhaust flow within the combustion chamber. It helps maintain proper compression and contributes to smooth and consistent engine performance. Supplied along with a compatible valve seal, it helps prevent oil leakage into the combustion area, reducing smoke and improving engine efficiency. Manufactured to OE style specifications, it fits