Use Code "ROCK10" and SAVE!!
2007 & Newer Jeep Wrangler JK
Nitro, Choose Ratio, Front & Rear Gear Package Kit
Dana JK Model 30
Dana JK Model 44
4.11, 4.56, 4.88 or 5.13
Nitro Gear & Axle
Gear Package Kit Includes:
Nitro front ring & pinion
Nitro front Master Install Kit
Nitro rear ring & pinion
Nitro rear Master Install Kit
3.73 & Up Front Carrier Required. Models with factory 3.21 gears will also need front carrier part # DAN2010999
(Sold Separately). Dana 30 & Dana 44 JK models are specific to the wrangler JK, they are not universal.
(Open carriers reuse original internal gears.)
Suffering from poor performance and reduced fuel economy resulting from over-sized tires?
If you've fitted larger tires to your Jeep then you have likely experienced a loss in performance and fuel economy. Most people also recognize the constant shifting of the transmission as it 'hunts' for a gear that works best with those larger tires. This happens because the larger tires reduce your engine’s RPMs below the optimal power band. Re-gearing the differentials in your vehicle is the only way to get your vehicle back into its optimal operating RPM range, thus improving performance and reducing strain on your vehicle’s drive-train. This is especially important for today’s Jeep Wrangler as they feature small displacement engines, with tall factory gearing and overdrive transmissions which are less tolerant to increase in tire size or the weight of added accessories. It’s a common misconception that gear changes are reserved only to hardcore off-roaders or trucks with huge tires. However, re-gearing is one of the single most beneficial modifications you can make to keep the performance, economy, and durability of your daily-driven 4x4. This is a mod for anyone with larger tires, increased weight, or for increased performance on stock vehicles for towing or increased acceleration.
2007-2015 Jeep Wrangler JK ( Non Rubicon)
All Nitro Gear &
Axle brand products are warrantied to be free of manufacturer defects for the
specified period. Warranty requests must be made by the original purchaser and
submitted by the dealer purchased from. Any parts sent for warranty
consideration must be pre-approved and shipped prepaid freight to our facility
with copy of RGA for our inspection & determination. We will not pay for
labor, shipping cost, loss of revenue or perishable goods, commercial losses,
costs of telephone calls, shipping or general inconvenience. This is our only
warranty expressed or implied. Unauthorized warranty returns may be refused.
Warranty generally covers MFG defects in material or workmanship. Abuse,
overloading, improper lubrication, misuse, commercial or competition use voids
warranty. Normal characteristics are not warrantable, such as Gear whine. Minor
cosmetic flaws, dings, burrs from shipping or manufacturing, are not considered
defect, it is installer responsibility to address these at time of install.
Customer is responsible for shipping charges if warranty is granted. Warranty
is for the original purchaser/user, is not transferable. Warranty covers one
replacement or credit solely at our discretion. Warranty determinations are at
our sole discretion.
In addition to the above conditions, see special notes for these products:
Ring & Pinion – Warrantied against manufacturing defects. 2 years from date of purchase. Must provide set-up specs.
Chromoly front Axles, Excalibur Joints, 30/30 Birfield kits - Warrantied against manufacturing defects for the life of the vehicle. These products are also covered for Breakage. The Shaft / joint must be BROKEN. Wear, twisting, bending are not warrantable. Damages caused by failure of other parts are not warrantable, for example broken U-joint (other than Nitro Excalibur) causing damage to Axle ears.
Rear Chromoly Axles - Warrantied against manufacturing defects for 5 years. These products are also covered for Breakage. The Shaft must be BROKEN. Worn, twisted, or bent axles are not warrantable.
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