This is an exhaust rocker arm, a lever that pivots to open the exhaust valves, allowing burnt gases to exit the combustion chamber. Manufactured to exact specifications, it ensures proper valve actuation for efficient exhaust flow, unlike a worn or bent rocker arm that can impede gas expulsion. Operators might notice a loss of engine power, increased exhaust noise, or a rough-running engine if an exhaust rocker arm fails.
Always verify with serial number before ordering.
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Inspect mating surfaces for wear before fitting. Use torque specs from service manual. Replace gaskets and seals as a set — reusing compressed gaskets causes oil leaks. Clean all oil passages with compressed air.
Always consult the OEM service manual for model-specific torque values and procedures. WhatsApp our technical team if you need fitment guidance.
An initial indication of a failing exhaust rocker arm might be an audible ticking or tapping noise from the engine's valve cover area. If the damage progresses, this noise can become more pronounced, and the engine may experience a significant reduction in power and an increase in exhaust smoke. Continued operation risks incomplete exhaust valve sealing, leading to poor combustion efficiency and potential damage to the cylinder head.
Ensure the valve lash adjustment is performed correctly after installing the new rocker arm. Do not overtighten the rocker arm pedestal bolts, as this can distort the cylinder head.
Inspect the corresponding valve stem, valve spring, and camshaft lobe for wear or damage.