RockJock TJ 4.5in or LJ 4in Rear Coil Springs Pair

RockJock TJ 4.5in or LJ 4in Rear Coil Springs Pair

Marsoni

M251S

$142.00

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

RockJock TJ 4.5in or LJ 4in Rear Coil Springs PairRockJocks optional 4 in. rear coil springs that are available for use in our Johnny Joint(R) TJ Wrangler and LJ Unlimited suspension systems are 1 2 in. taller than our standard spring and are most commonly used in LJ (Unilimited) applications or in heavily loaded TJ applications. These springs may also be used in combination with our CE 9131RH2 spring to address vehicle lean issues. These springs are a dual rate with a combined rate of 79lbs. and a

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Fast: 2-3 business days
Express: 1-2 business days

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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!

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Reviewed in the United States on July 3, 2025

Verified Purchase

Bill

Cuba, 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

Carnegie, 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