4JG1 Valve rocker shaft spring

Our 8-94341905-6 rocker shaft spring solves the B2B pain point of rocker arm lateral drift in 4JG1 engines. Specifically built for ZX70 excavators in mining, it provides high-cycle fatigue resistance, ensuring arms remain centered for precise valve timing under heavy loads.

Our 8-94433303-6 rocker shaft spring eliminates the B2B pain point of rocker arm misalignment in 4JG1 engines. Specifically built for ZX70 excavators, it provides high-cycle fatigue resistance, ensuring the rocker arms remain perfectly centered for precise valve timing in mining sites.