If you’re looking for the perfect gear ratio for your 37 inch tires on a Jeep JK, it can be overwhelming trying to figure out what to choose. With so many different options out there, how do you know which one is right for you? Before you make any decisions, it’s important to consider a few different factors.
First and foremost, what will you be using your Jeep for? If you plan on using it primarily for off-roading, you’ll likely want a different gear ratio than if you’re using it for everyday commuting. Additionally, you’ll want to consider things like your transmission, transfer case, and engine size, as these can all affect which gear ratio is optimal.
So, what are some common gear ratios for 37 inch tires on a Jeep JK? And which one is right for you? These are some of the questions you might be asking yourself as you research different options. Some other factors to keep in mind include your top speed, fuel efficiency, and drivetrain compatibility.
Ultimately, the best way to figure out the right gear ratio for your Jeep is to consult with a professional. These experts can help you figure out which option will work best for your specific vehicle and intended use. So, if you’re still feeling uncertain about which gear ratio to choose, don’t hesitate to seek out some additional guidance from a trusted source!
10 Best Gear Ratio For 37 Inch Tires Jeep Jk
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Ideal for upgrading Jeep JK non-Rubicon models to a higher gear ratio of 4.11, improving overall performance and off-road capability.
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It is ideal for upgrading the gear ratio of a Jeep JK non-Rubicon model.
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It is ideal for enhancing the performance and off-road capabilities of Jeep JK Rubicon models.
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Ideal for enhancing performance and gear ratio in Jeep JK Dana 44 rear differential.
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5
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It is ideal for improving the performance of the Jeep JK Dana 44 rear differential with a 4.56 ratio.
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6
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This product is ideal for all-terrain light truck use with a load range of F and 12-ply BSW black side walls.
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7
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Ideal for off-road, mud and all-terrain driving with light trucks that require 33X12.50R20LT tires with load range F.
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8
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The product is ideal for adding an oversize tire carrier to a 2007-2018 Jeep Wrangler JK (excluding JL) that fits up to 37-inch spare tire.
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9
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Off-road, mud terrain driving for light trucks with load range C and 6-ply construction.
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10
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It is ideal for Jeep Wrangler owners with large spare tires up to 37 inches in size.
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1. Yukon Gear & Axle (Ygk055) Gear & Install Kit For Jeep Jk Non-Rubicon 4.11 Ratio
Upgrade the performance of your Jeep JK NON Rubicon with this high-quality gear set and differential rebuild kit. This kit includes both front and rear ring pinion gear sets and master rebuild kits. The matching gears in a 4.11 ratio ensure smooth and reliable operation on the toughest terrains.
The kit is designed to fit 2007 and newer Jeep JK NON Rubicon models with a Dana 30 front and Dana 44 rear. The front and rear differential master rebuild kits are engineered to meet or exceed OEM specifications, ensuring proper fitment and optimum performance.
The ring pinion gear sets are made from premium quality materials for superior strength and durability. They are precision machined for perfect meshing, resulting in smooth and quiet operation. The included front and rear differential master rebuild kits feature all the necessary components to rebuild your differentials, including bearings, seals, shims, and gaskets.
Upgrade your Jeep JK NON Rubicon today with this top-quality gear set and differential rebuild kit and enjoy improved performance, reliability, and longevity on and off the road.
- Includes both front and rear ring pinion gear sets and master rebuild kits
- Matching gears in a 4.11 ratio for smooth and reliable operation
- Designed to fit 2007 and newer Jeep JK NON Rubicon models with a Dana 30 front and Dana 44 rear
- Ring pinion gear sets made from premium quality materials for superior strength and durability
- Front and rear differential master rebuild kits engineered to meet or exceed OEM specifications
- – Not compatible with Rubicon models
2. Jeep Jk 4.88 Gear & Install Kit
Upgrade your Jeep JK non-Rubicon with the Yukon Gear and Install Kit package that includes a 4.88 ratio for better off-road performance. This complete package is designed to make it easy for you to re-gear the front and rear differential. It includes front and rear ring and pinion sets as well as the most complete master overhaul kits available on the market. You can now save time and money by purchasing this one part number that includes everything you need for the upgrade.
The package is specifically designed for Dana 30 front and Dana 44 rear differentials and is a perfect fit for Jeep JK non-Rubicon models.
With the Yukon Gear and Install Kit package, you can enjoy improved off-road performance and better control over your vehicle. This is the ultimate upgrade for any Jeep JK non-Rubicon owner who wants to take their adventures to the next level.
- Easy to install
- Complete package with everything you need
- Improved off-road performance
- Perfect fit for Jeep JK non-Rubicon models
- – May not be suitable for Rubicon models
3. Yukon Gear & Axle (Ygk054) Gear & Install Kit For Jeep Jk Rubicon 4.56 Ratio
Upgrade the performance of your 2007 and newer Jeep JK Rubicon with these front/rear ring pinion gear sets and differential master rebuild kits. The kit includes matching gears in a 4.56 ratio, ensuring smooth and efficient power transfer. Each gear set is designed with precision and accuracy to meet the highest standards of quality and durability.
The front differential master rebuild kit includes all the necessary components to rebuild your Dana 44 front differential, including bearings, seals, shims, and gaskets. The rear differential master rebuild kit also includes all the necessary components to rebuild your Dana 44 rear differential, ensuring that your Jeep is running at peak performance.
With this kit, you can achieve better off-road performance and improved towing capacity. The 4.56 gear ratio provides more torque and power, making it easier to climb steep inclines and navigate difficult terrain. The installation process is straightforward and can be completed within a few hours by a professional mechanic. Upgrade your Jeep JK Rubicon today with this high-performance gear set and differential rebuild kit.
- High-quality front/rear ring pinion gear sets and differential master rebuild kits
- Matching gears in a 4.56 ratio for smooth power transfer
- Improves off-road performance and towing capacity
- Precision and accuracy meet the highest standards of quality and durability
- Straightforward installation process
- – Only compatible with 2007 and newer Jeep JK Rubicon models
- – Professional installation recommended
4. Yukon Jeep Jk Dana 44 Gear Set
The Yukon Ring and Pinion Sets are designed to provide a superior performance in the toughest of conditions. These sets are perfect for those who demand nothing but the best when it comes to their vehicle's gears. Whether you're driving on the street, off-road, or at the track, the Yukon Ring and Pinion Sets will give you the confidence you need to tackle any challenge.
These sets are manufactured using the latest designs and technologies to ensure a quiet running gear that is not only strong but also easy to set up. The Yukon Ring and Pinion Sets come with a one-year warranty, giving you peace of mind knowing that your investment is protected.
The Yukon Ring and Pinion Sets are designed specifically for a 4.88 axle ratio, ensuring a perfect fit for your vehicle. So if you're looking for a high-quality, reliable gear set that can handle anything you throw at it, look no further than the Yukon Ring and Pinion Sets.
- Designed for the harshest of conditions
- Manufactured using the latest designs and technologies
- Strong and easy to set up
- Comes with a one-year warranty
- Perfect fit for a 4.88 axle ratio
5. Yg High Performance Jeep Jk Gear Set
The Yukon Ring and Pinion Sets are engineered to provide drivers with the confidence of running gears that are specifically designed for the toughest conditions. This product is suitable for use on the street, off-road, or at the track, and delivers unparalleled performance and quality.
Yukon utilizes the most advanced designs and manufacturing technologies available to create a gear set that is not only strong but also runs quietly and is easy to set up. Each Yukon Ring and Pinion Set comes with a one-year warranty.
This particular product is designed for use in a 4.56 axle ratio and is available in a vehicle-specific fit.
- Engineered to perform in the toughest conditions
- Suitable for use on the street, off-road, or at the track
- Manufactured with advanced designs and technologies for a strong and quiet running gear
- Easy to set up
- Comes with a one-year warranty
6. Venom Terra Hunter X/t All-Terrain Tires
This tire is designed for light trucks and offers excellent performance on extreme terrains. It is an all-season tire that provides a comfortable and reliable ride throughout the year. With a tread life of 50,000 miles, it lasts longer than most tires in its class. It has a load range F, 12-ply rating, and 12-PR, making it capable of carrying heavy loads with ease. The tire's robust construction ensures that it can withstand rough terrains, making it ideal for off-road adventures. The aggressive tread pattern provides excellent traction on both wet and dry surfaces, making it a perfect tire for all types of weather conditions. The tire offers a comfortable ride thanks to its noise-reducing technology that ensures a quiet ride. It is an excellent choice for those who value performance, durability, and comfort in their tires.
Upgrade your light truck's performance with this all-season tire that offers excellent handling and traction on extreme terrains. With a tread life of 50,000 miles, it is a reliable and durable tire that lasts longer than most tires in its class. The tire's robust construction and aggressive tread pattern make it ideal for off-road adventures, while its noise-reducing technology ensures a quiet and comfortable ride. It has a load range F, 12-ply rating, and 12-PR, making it capable of carrying heavy loads with ease. It is a perfect tire for those who value performance, durability, and comfort.
This all-season tire is designed for light trucks that require excellent performance on extreme terrains. It has a tread life of 50,000 miles, making it a durable and reliable tire that lasts longer than most tires in its class. With a load range F, 12-ply rating, and 12-PR, it can carry heavy loads with ease. The tire's aggressive tread pattern provides excellent traction on both wet and dry surfaces, making it a perfect tire for all types of weather conditions. It also features noise-reducing technology that ensures a quiet and comfortable ride. The tire's robust construction makes it ideal for off-road adventures, making it an excellent choice for those who value performance, durability, and comfort.
- Excellent performance on extreme terrains
- All-season tire
- Tread life of 50,000 miles
- Load range F, 12-ply rating, and 12-PR
- Aggressive tread pattern for excellent traction on wet and dry surfaces
- Noise-reducing technology for a quiet and comfortable ride
- Robust construction makes it ideal for off-road adventures
7. Venom Terra Hunter X/t Mud Tires
The All Season Extreme Terrain Light Truck Tire is an excellent choice for drivers looking for a durable and reliable tire that can handle a variety of road conditions. With a treadlife of 50,000 miles, this tire provides long-lasting performance, making it an economical choice for drivers who do a lot of highway driving. The tire's 12-ply rating and Load Range F rating make it a sturdy and strong option for light trucks, ensuring that it can handle heavy loads with ease. The tire is also designed to perform well in extreme terrain conditions, giving drivers the confidence they need to tackle rough roads and off-road adventures. With its combination of strength, durability, and performance, this tire is an ideal choice for drivers who demand the best from their light truck tires.
The All Season Extreme Terrain Light Truck Tire features a unique tread pattern that provides excellent traction and handling in all weather conditions. The tire's deep grooves and aggressive tread blocks help to channel water away from the tire's surface, reducing the risk of hydroplaning and improving handling in wet conditions. The tire also features a durable rubber compound that provides excellent grip on dry roads, ensuring that drivers can maintain control even in challenging driving conditions. With its combination of traction, handling, and durability, this tire is an excellent choice for drivers who need a tire that can handle a variety of driving conditions.
In conclusion, the All Season Extreme Terrain Light Truck Tire is a reliable and durable tire that offers excellent performance in a variety of road conditions. With its long treadlife, 12-ply rating, and Load Range F rating, this tire is a strong and sturdy option for light trucks. Its unique tread pattern and durable rubber compound provide excellent traction and handling in all weather conditions, making it an ideal choice for drivers who demand the best from their tires.
- Long treadlife of 50,000 miles
- 12-ply rating and Load Range F rating make it a sturdy and strong option for light trucks
- Unique tread pattern provides excellent traction and handling in all weather conditions
- Durable rubber compound provides excellent grip on dry roads
8. Oversize Tire Carrier Kit For 07-18 Jeep Wrangler
The TYGER Spare Tire Relocation Kit is the perfect solution for carrying larger spare tires on your 2007-2018 Jeep Wrangler JK. With a maximum capacity of 37 inches, this kit is designed to hold even the largest tires with ease.
Constructed from heavy-duty steel, the TYGER Spare Tire Relocation Kit is built to last. The dual-stage powder-coated textured black finish ensures both strength and rust-resistance, providing you with a long-lasting and durable product.
This kit is compatible with all aftermarket and factory bumpers, making it a versatile addition to your Jeep. It comes with brackets for the third brake light if more clearance is required, ensuring that your vehicle remains safe and functional.
Installation is a breeze with the TYGER Spare Tire Relocation Kit. It is a bolt-on installation that requires no drilling, and the package comes with DIY instructions to make the process even easier.
US customers can rest assured that they are covered by TYGER's no-hassle 5-year warranty against manufacturing defects. With this kit, you can enjoy peace of mind knowing that you have a high-quality and reliable product.
- Can hold up to a 37-inch spare tire
- Heavy-duty steel structure with dual-stage powder-coated textured black finish provides strength and rust-resistance
- Compatible with all aftermarket and factory bumpers
- Comes with brackets for the third brake light if more clearance is required
- Easy bolt-on installation with no drilling required
- TYGER offers a no-hassle 5-year warranty for US customers against manufacturing defects
9. Forceum Mud Slayer Light Truck Tires
The tire is designed to provide excellent performance on muddy terrain. It is an all-season tire that can be used in various weather conditions. The tire is specifically designed for light trucks and has a load range C with a 6-ply rating, making it sturdy and durable.
The tire's unique design ensures a comfortable ride, with reduced road noise and improved handling. The tread pattern provides excellent grip on muddy terrain, making it perfect for off-road adventures. The tire's construction is optimized for durability, ensuring that it can withstand heavy loads and rough terrain.
Overall, this tire is an excellent choice for drivers who need a reliable and durable tire for off-road adventures. With its all-season performance and sturdy construction, it is sure to provide a smooth and comfortable ride on any terrain.
- Designed for off-road adventures
- All-season performance
- Sturdy and durable construction
- Excellent grip on muddy terrain
- Reduced road noise
Best Gear Ratio For 37 Inch Tires Jeep Jk FAQs
Are there any potential drawbacks or challenges to changing the gear ratio for 37 inch tires on a Jeep JK?
Yes, there are potential drawbacks and challenges to changing the gear ratio for 37 inch tires on a Jeep JK. One of the main drawbacks is that it can put additional strain on the vehicle's drivetrain components such as the transmission, transfer case, and axles. This is because the larger tires require more power to turn, and changing the gear ratio can help compensate for this. However, this can also lead to increased wear and tear on these components, which may require more frequent maintenance and repairs.
Another challenge is that changing the gear ratio can also affect the vehicle's speedometer calibration, which may result in inaccurate speed readings. This can be a safety issue, as well as potentially causing legal problems if the vehicle is pulled over for speeding.
Additionally, changing the gear ratio can be expensive, as it often requires replacing multiple components such as the ring and pinion gears, as well as the carrier and bearings. It also requires specialized knowledge and tools to properly install and set up the new components, which can be challenging for those without experience.
Overall, while changing the gear ratio can help improve the performance of a Jeep JK with 37 inch tires, it is important to carefully consider the potential drawbacks and challenges before making any modifications.
Can I run 37 inch tires on my Jeep JK without changing the gear ratio?
While it is technically possible to run 37 inch tires on your Jeep JK without changing the gear ratio, it is not recommended. The larger tires will cause your vehicle to work harder to maintain speed and accelerate, which can lead to decreased fuel efficiency and increased wear and tear on your engine and transmission. Additionally, your Jeep may struggle to climb steep inclines or navigate rough terrain with larger tires and no change in gear ratio.
Changing the gear ratio will help to restore the lost power and torque caused by larger tires, improving your vehicle's performance and handling. It is recommended to consult with a professional mechanic or off-road specialist to determine the appropriate gear ratio for your specific Jeep JK model and driving needs. Investing in the proper gear ratio will not only improve your driving experience, but also help to extend the life of your vehicle.
How does changing the gear ratio affect driving performance with 37 inch tires on a Jeep JK?
Changing the gear ratio on a Jeep JK with 37-inch tires can have a significant impact on driving performance. It is essential to understand that the gear ratio determines the number of times the driveshaft turns for each revolution of the tires. The stock gear ratio of a Jeep JK is 3.21, which may not be suitable for 37-inch tires.
Changing to a higher gear ratio, such as 4.10 or 4.56, can improve acceleration and low-end power, making it easier to crawl over obstacles or climb steep hills. The higher gear ratio will also allow the engine to operate within its optimal RPM range, reducing the strain on the engine and transmission.
On the other hand, changing to a lower gear ratio, such as 3.73 or 3.07, can improve fuel efficiency and top-end speed. However, it may also reduce low-end power and make it harder to crawl over obstacles or climb steep hills.
Ultimately, the choice of gear ratio depends on your driving style and the type of terrain you will be driving on. It is advisable to consult with an experienced mechanic or off-road specialist to determine the best gear ratio for your Jeep JK with 37-inch tires.
What are the benefits of changing the gear ratio for 37 inch tires on a Jeep JK?
Changing the gear ratio of a Jeep JK can have several benefits when using 37 inch tires. The stock gear ratio on a Jeep JK is usually 3.21 or 3.73, which can be insufficient for larger tires. By changing the gear ratio to a lower number, such as 4.56 or 4.88, the Jeep will have better off-road performance, improved acceleration, and more power to climb hills or navigate through tough terrain.
Another advantage of changing the gear ratio is that it can also help to prolong the life of the transmission and clutch by reducing the strain on them. This can also result in better fuel efficiency, as the Jeep will not have to work as hard to maintain speed.
Additionally, changing the gear ratio can also enhance the overall driving experience, giving the Jeep a more balanced and controlled ride. However, it is important to note that changing the gear ratio is not a simple task and should be done by a professional mechanic to ensure proper installation and calibration.
What is the recommended gear ratio for a Jeep JK with 37 inch tires?
The recommended gear ratio for a Jeep JK with 37-inch tires is 4.88. This ratio ensures that the engine can efficiently turn the larger wheels while maintaining optimal power and torque. A higher gear ratio than 4.88 may lead to decreased fuel efficiency and strain on the engine, while a lower ratio may cause the engine to rev too high and reduce speed. It is important to note that the gear ratio may vary depending on the type of driving you will be doing, such as off-roading or highway driving. It is always best to consult with a professional mechanic to determine the best gear ratio for your specific Jeep JK and driving needs. Installing the appropriate gear ratio can improve overall performance and prolong the life of your vehicle.