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Paco Motorsports eccentric locks

The lock in place.
Paco Motorsports eccentric locks
$12.49
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6 Review(s)

Availability: In stock

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Customer Reviews 6 item(s)

6 Item(s)

Just stick to stock and torque down the bolts
I really thought these were a great idea to put them on my car, but I really, really regret buying these. My alignment guy hates me when I bring my car in, and charges me at least double a typical alignment, because he has to take the bolts completely apart to move the eccentric locks (due to the thickness of the parts, and the coarseness of the teeth), and a lot of times the outer cam parts fall and have to be reinstalled. Next time I do my suspension, I'm going back to the stock eccentric locks; these things are just not worth it.
Rating
Review by Matt / (Posted on 6/5/2019)
Good for some uses, not so good for others.
I’ve run these on my car on the front camber bolts (which are the ones they’re mainly needed for) for around 9 months since my last alignment. The good news is they seem to hold the bolt in place very well. The bad news is they slightly limit the maximum camber you can get up front. As an ES car, just losing 1-2 tenths of a degree is a problem.

The other bad news is that once you’ve got them in place, you had better be happy with the setting. The forces involved with hard use tend to deform the teeth just enough that the pieces are very difficult or impossible to re-align once they have been removed.

I think that if you have an alignment you won’t want to change, and you’ve got more camber adjustment up front than you need, these locks are a good solution. Install them once, and plan never to touch them again. Due to my use case I am not replacing my deformed locks and will instead just rely on over-torquing the bolts and replacing them periodically.
Rating
Review by Hunter / (Posted on 3/27/2018)
Excellent when paired with adjustable control arms
I use these on my 2011 Mitsubishi Evo's lower control arms (with slight modification). The stock cam bolts have the same issue as the miata's. These locks stop the bolts from moving, even after 10 or so track weekends. The coarse adjustment is not an issue as my aftermarket lower controls arms are adjustable from the arm, not the cam bolt.
Rating
Review by EvoJAL1982 / (Posted on 11/25/2017)
Expensive, coarse adjustment, good peace of mind.
I had these installed on the front eccentric of the front lower control arms since these are most prone to slipping from what I read. I was after -3º of camber but the tech got it to -2.7 and -2.8 and said the adjustment was too coarse to get it any closer. So far I've been happy with the alignment so I'll probably leave it. Due to these locks and replacing all the eccentric bolts, the alignment took an extra hour which added $100 to the bill. So it was a pretty expensive alignment but hopefully it's the last one I'll need for years to come!
Rating
Review by NotAHairdresser / (Posted on 11/16/2017)
Reduces but not completely eliminates all possible bolt movement
Even after installing the eccentric lock, there is still some free movement for the bolt (although not as extreme as without the lock). The lock also reduces the adjustments possible which is a bit of a problem if you’re struggling with getting more camber in the front. I haven’t tested it with sticky tires yet, but appers to hold on street tires during cornering.
Rating
Review by V / (Posted on 11/16/2017)
Probably fantastic for off-roading, not so good for precision alignments.
Bought 8 of these on the recommendation of my track prep expert. His comment? Great idea and hi-quality execution, but too coarse adjustment for precision aligning (have to loosen to install, guess, re-align, so hard to install), and he only left on two of eight. Probably fantastic for off-roading where precision alignments do not matter quite so much. . .
Rating
Review by Krebbis / (Posted on 10/4/2017)

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