RockJock JK 4D 4in or TJ/LJ/JK 2D Front Coil Springs 5in Lift Pair

RockJock JK 4D 4in or TJ/LJ/JK 2D Front Coil Springs 5in Lift Pair

Marsoni

M251S

$142.00

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

RockJock JK 4D 4in or TJ/LJ/JK 2D Front Coil Springs 5in Lift PairRockJocks 4 in. front coil springs that are included in our Johnny Joint(R) TJ, LJ and JK 4 door suspension systems, but may also be used in JK 2 door applications where an extra 1 in. of height is necessary to compensate for heavy w inches, bumpers, etc. These springs may also be used in combination with our CE 9132F1 to address vehicle lean issues. These springs are a dual rate with a combined rate of 70lbs. and a free length of 22. 6 in.. Gloss

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Fast: 2-3 business days
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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
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I installed this K&N Lifetime Cabin Air Filter in my 2016 F-150 and noticed the difference right away. The airflow is stronger, and the cabin smells fresher even when driving through dusty or humid areas. What I really like is that it’s washable and reusable—so I won’t have to keep buying filters every year. Fitment was perfect and install took under 10 minutes. Just pop out the old one, slide this one in, and you’re good to go. It feels solid and well made, not like those cheap paper ones. It’s definitely worth the investment, especially if you drive a lot or have allergies. Highly recommend for anyone with a Ford or Lincoln vehicle—it pays for itself quickly!

WAS THIS REVIEW HELPFUL?YesReportShare

Reviewed in the United States on July 3, 2025

Verified Purchase

Bill

Draper, US

★★★★★ 5

Fit 2024 F250 Platinum

Size: 1.9" x 9.9" x 11.4"

Good quality, perfect fit.

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Reviewed in the United States on April 16, 2026

Verified Purchase

JAMES ERIK FOREHAND

Louisville, US

★★★★★ 5

Great

Size: 1.9" x 9.9" x 11.4"

Great value for the money and easy to install.

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Reviewed in the United States on May 10, 2026

Verified Purchase

Mark Liszkiewicz

Port Orchard, US

★★★★★ 5

nice quality

Size: 1.9" x 9.9" x 11.4"

I happen to be a fan of K&N air filters. Fit perfect in my vehicle. Seems like a much nicer quality filter than the cheapo filters from the parts store.

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Reviewed in the United States on March 7, 2026