I was looking to get these, but are they worth to get? Do they resolve the problem on the axles with the pitting on the cv joints? or prevent any other problems that may come out to the axles being strecthed? what are pros? any knowledge of this product will be greatly appreciated. thanks

This is what they say:
The original driveshafts of the S2000 is design at the stock ride height so when the car is lowered with coil springs or coil-over suspension then the driveshafts will be stretched about 10mm each side. This will occur a lot of stress to the driveshaft. As a result, the driveshaft will wear down in a very short period of time. J's Racing offer this spacer which the driveshaft can be 10mm closer to the outter side of the shaft so the shaft will not be stretched. This also allows the driveshafts to have longer life.

 

some say its useless, some say it actually works. i dont know, but ill probaly get a set just for the peace of mind.

 

it isn't that it doesn't work or doesn't. if it seats the axle back to where it was originally seated, it can't hurt.

 

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