Schaeffler Automotive Aftermarket GmbH & Co. KG
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Daily up-to-date catalogue for LuK Drive train, INA Engine Parts and FAG Chasis Parts
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Components with hydraulic valve lash adjustment
The engineers at INA were the pioneers in the market niche for low-maintenance valve trains in high-speed internal combustion engines – with direct valve activation by means of hydraulic tappets. Our new concept passed its first test in 1974 when it was adopted by Mercedes Benz for volume usage in the 8-cylinder engines for its luxury class vehicles – not least because of the significantly lower exhaust emissions from the lash-free valve train. At the same time, Porsche proved in preproduction tests in a racing car (917) that very high speeds could be achieved with our valve trains.
Advantages of automatic valve lash adjustment:
- Simple engine assembly
- Maintenance-free throughout the operating life
- Very quiet valve train
- Consistently low exhaust emissions throughout the operating life
