Wilbers Fork Spring - Zero friction - Progressive

Wilbers Fork Spring - Zero friction - Progressive

Marsoni

M251S

$148.00

Get it in 3 business days with 1 day shipping. Friday, May 29

Wilbers Fork Spring - Zero friction - ProgressiveWilbers progressive fork springs ZERO Friction finishing Our vibratory finishing process (trough vibrator with tailored media) micro polishes the spring surface. The resulting fine, shiny finish reduces surface roughness and friction hence ZERO Friction. Pair with our specially formulated Wilbers fork oil and the specified air chamber for your vehicle to maximize performance. Product may differ from the picture. Recommended viscosity and air chamber:

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We offer a 30-day return/exchange service after receiving.
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I recently had to replace the starter on my 2001 325i E46 with about 150k miles. While I had the intake off, I figured it would be a good time to replace the CCV because I was unsure if it had ever been done. My old CCV literally fell apart as I removed it, so I'm glad I replaced it. The new parts were a little tough to put together, but overall came together well enough. A lot can be forgiven for the price. I would recommend assembling the system before installing in your vehicle to get a good sense of how it all goes together and to hopefully loosen up the fittings just a tad before installation. 50skid on youtube has a great DIY for doing this job. I only finished this job yesterday, but my car has been running great. I can't yet confirm, but this may have solved my running lean problem.

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Reviewed in the United States on January 27, 2023

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Craig Randall

Waukegan, US

★★★★★ 3

Cheap plastic parts -- good fit

They are what they are: Cheap plastic parts. They fit, but long-term durability will be a challenge. Probably will buy from FCP Euro going forward (and just did for a fuel line replacement).

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Reviewed in the United States on March 12, 2024

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ruben rodriguez

Grantham, US

★★★★★ 5

2001 325i

Great quality fits perfect durable. no more leaks works great. Great price.

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Reviewed in the United States on September 29, 2024

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Farrin Johnson

Boise, US

★★★★★ 1

Does not connect

First the hoses do not connect together causing all kinds of vacuum leaks. There is no rifling in the diaphragm so oil leaks back up. Cheap piece of plastic

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Reviewed in the United States on June 9, 2022

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Miguel Quezada

Dallas, US

★★★★★ 5

Great price

Great product

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Reviewed in the United States on May 23, 2026