Description
The purpose of replacing the lost motion assembly (LMA) in a Honda / Acura NSX is to improve the performance of the engine’s valve train. The LMA is a device that sits between the camshaft and the rocker arms, and it serves to absorb any small variations in the camshaft’s rotation, allowing the rocker arms to move smoothly and consistently.
When the LMA wears out, it can cause a number of problems, including:
- Reduced engine performance
- Reduced engine efficiency
- Increased engine noise
- Increased wear on the valve train components
- Reduced engine life
A new LMA will improve the engine performance, efficiency, and life. It will also reduce the engine noise and wear on the valve train components. It’s important to note that the replacement of the LMA should be done by a professional mechanic or an experienced technician to ensure proper installation and function.
For models from the 2000s, Honda redesigned the LMAs to be more robust. Unfortunately, they changed the dimensions of the LMAs slightly so you can’t just drop the later LMAs into earlier engines.
Honda have now designed later-style LMAs for 1991-1999 engines for better initial response and longer longevity.
The revised LMAs are applicable for NSXs between 1991-2005
Set is for a set of 12 Lost Motion Assembly units, which is good for one NSX engine.
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