Wilbers Fork Spring - Zero friction - Progressive

Wilbers Fork Spring - Zero friction - Progressive

Marsoni

M251S

$110.00

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

Wilbers Fork Spring - Zero friction - ProgressiveFront end lowering spring kit. When lowering a motorcycle, front and rear must be matched to preserve chassis geometry. This special fork spring kit adapts the front to the lowered rear. Installation requires expertise and specific tools; a detailed guide is included. Fork oil not included. Product may vary from picture.

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Good product, not much to say. The product arrived quickly, looks to be of high quality construction, fit perfectly and took me only a couple of minutes to install. I love it when a product is no frills and delivers as advertised. I've used various filters from K&N before and have always had very good success with them so I will be buying more of these for sure when the time comes.

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Reviewed in the United States on November 9, 2025

Verified Purchase

john A.

Boise, US

★★★★★ 5

Better than most.

Size: (Pack of 1)

Looks good, perfect fit.

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Reviewed in the United States on May 25, 2026

Verified Purchase

Willy Bill

Louisville, US

★★★★★ 5

Great Filter

Size: (Pack of 1)

This fits fine. Just wish it was a little easier to change.

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Reviewed in the United States on April 26, 2026

Verified Purchase

Lake Worth, US

★★★★★ 5

More power, slightly lower (8%) MPG.

Size: (Pack of 1)

Installed on a 2.0 liter Subaru Impreza. I drive up/down the I5 in california 3-4 times a year. For those that don't know there is about a 200 mile flat stretch where everyone runs at 75-85mph. With various filters (FRAM, BOSCH, Subaru OEM), I would consistently get 29.8 mpg. Once I installed the K&N, I could feel the car pulling with a bit more power, but I noticed that I was getting about 27.5 mpg. Totally worth it as the impreza is a little under powered and I don't drive many miles (6k/year) but if you are putting a lot of miles on your car, you may want to have more mpg.

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Reviewed in the United States on May 24, 2026

Verified Purchase

GregUPerkio

Lake Worth, US

★★★★★ 5

fits my 2013 chevy suburban 5.3 and appears to be high quality

Size: (Pack of 1)

fits my 2013 suburban perfectly. looks to be a well constructed unit.

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Reviewed in the United States on March 29, 2026