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20 Best Gear Ratio For 37 Inch Tires Jeep Jk (2022 Updated)

The gear ratio for 37 inch tires on a jeep jk is 4.56:1.

20 Best Gear Ratio For 37 Inch Tires Jeep Jk

Product Image Product Name Features Price

USA Standard Gear ZG M35-355 Ring and Pinion

  • USA Standard ring and pinion sets are the right choice to add confidence to your install
  • USA Standard Gear offers a full line of ring and pinion sets for a variety of common and hard to find applications

Motive Gear D44-307 Ring and Pinion (Dana 44 Style, 3.07 Ratio, Standard)

  • D44-307

Pro Comp 37X12.50R20LT Tire, A/T Sport – 43712520

  • All-Terrain compound formulated for the optimum performance across wet, dry, on and off-road surfaces
  • Sweeping groove technology increases traction and stability on all road conditions

Yukon Gear YG D44RS-488RUB Ring and Pinion Gear Set

  • 4.88 Ratio

Yukon Gear & Axle YG F10.5-430-37 Ring and Pinion Gear Set

  • Ford 10.5 in 4.30 Ratio -37

Motive Gear D30-488TJ – Differential Ring and Pinion

  • 39-8 Teeth, 4.88 Ratio

Nitto Trail Grappler M/T 37X12.50R20LT Tire

  • 3.25 inch lift35 inch
  • 5.5 inch lift37 inch
  • Not recommendedJK, JL and Gladiator33 inch

Toyo Open Country R/T Tire 350210

  • 35×12.50r17

Yukon Gear YGK014 Gear and Install Kit Package (For Jeep JK non-Rubicon, 5.13 Ratio)

  • 42.45

USA Standard Gear ZG D44JK-538RUB Ring and Pinion Set

  • Position: Rear
  • WARNING CA Proposition 65: No
  • High Performance Gear Set

Nitro Gear & Axle Jeep Gear Packages

  • 4.88

Ironman 98371 – All Country M/T (37X12.50R20 128Q)

  • TireWidth: 12.5
  • AspectRatio: 37
  • RimDiameter: 20

G2 Axle and Gear 2-2046-411-37 Ring and Pinion Set

  • Designed for High Performance Applications
  • Ford E-350 Super Duty
  • Ford F-250 Super Duty

Yukon Gear YGK017 Gear and Install Kit Package (For Jeep JK Rubicon, 5.38 Ratio)

  • 47.82

Nitto Ridge Grappler Tire 217050

  • 37×12.50r17lt 124q 8 8 / 17″

Toyo Open Country A/T II 37X12.50R22 127Q

  • Aggressive sidewall & open tread block for performance in dirt, mud & snow.
  • Tie bars between tread blocks reduce noise, wear and improve braking.

Toyo Open Country M/T Tire 360770

  • Tire Width: 12.5
  • Aspect Ratio: 37
  • Rim Diameter: 17

G2 Axle and Gear 2-2046-430-37 Ring and Pinion Set

  • Designed for High Performance Applications
  • Ford E-350 Super Duty
  • Ford F-250 Super Duty

Goodyear 37X12.50R17LT Tire, Wrangler MT-R with Kevlar – 750578326

  • DUPONT” KEVLAR REINFORCED SIDEWALLS: Help increase sidewall puncture resistance by 35% for confidence in tough terrain.
  • HARDWORKING WRAPAROUND TREAD: For enhanced sidewall traction in deep mud, sand and rocks.
USA Standard Gear ZG M35-355 Ring and Pinion
  • USA Standard ring and pinion sets are the right choice to add confidence to your install
  • USA Standard Gear offers a full line of ring and pinion sets for a variety of common and hard to find applications
Motive Gear D44-307 Ring and Pinion (Dana 44 Style, 3.07 Ratio, Standard)
  • D44-307
Pro Comp 37X12.50R20LT Tire, A/T Sport – 43712520
  • All-Terrain compound formulated for the optimum performance across wet, dry, on and off-road surfaces
  • Sweeping groove technology increases traction and stability on all road conditions
Yukon Gear YG D44RS-488RUB Ring and Pinion Gear Set
  • 4.88 Ratio
Yukon Gear & Axle YG F10.5-430-37 Ring and Pinion Gear Set
  • Ford 10.5 in 4.30 Ratio -37
Motive Gear D30-488TJ – Differential Ring and Pinion
  • 39-8 Teeth, 4.88 Ratio
Nitto Trail Grappler M/T 37X12.50R20LT Tire
  • 3.25 inch lift35 inch
  • 5.5 inch lift37 inch
  • Not recommendedJK, JL and Gladiator33 inch
Toyo Open Country R/T Tire 350210
  • 35×12.50r17
Yukon Gear YGK014 Gear and Install Kit Package (For Jeep JK non-Rubicon, 5.13 Ratio)
  • 42.45
USA Standard Gear ZG D44JK-538RUB Ring and Pinion Set
  • Position: Rear
  • WARNING CA Proposition 65: No
  • High Performance Gear Set
Nitro Gear & Axle Jeep Gear Packages
  • 4.88
Ironman 98371 – All Country M/T (37X12.50R20 128Q)
  • TireWidth: 12.5
  • AspectRatio: 37
  • RimDiameter: 20
G2 Axle and Gear 2-2046-411-37 Ring and Pinion Set
  • Designed for High Performance Applications
  • Ford E-350 Super Duty
  • Ford F-250 Super Duty
Yukon Gear YGK017 Gear and Install Kit Package (For Jeep JK Rubicon, 5.38 Ratio)
  • 47.82
Nitto Ridge Grappler Tire 217050
  • 37×12.50r17lt 124q 8 8 / 17″
Toyo Open Country A/T II 37X12.50R22 127Q
  • Aggressive sidewall & open tread block for performance in dirt, mud & snow.
  • Tie bars between tread blocks reduce noise, wear and improve braking.
Toyo Open Country M/T Tire 360770
  • Tire Width: 12.5
  • Aspect Ratio: 37
  • Rim Diameter: 17
G2 Axle and Gear 2-2046-430-37 Ring and Pinion Set
  • Designed for High Performance Applications
  • Ford E-350 Super Duty
  • Ford F-250 Super Duty
Goodyear 37X12.50R17LT Tire, Wrangler MT-R with Kevlar – 750578326
  • DUPONT” KEVLAR REINFORCED SIDEWALLS: Help increase sidewall puncture resistance by 35% for confidence in tough terrain.
  • HARDWORKING WRAPAROUND TREAD: For enhanced sidewall traction in deep mud, sand and rocks.

1. USA Standard Gear ZG M35-355 Ring and Pinion

USA Standard Gear ZG M35-355 Ring and Pinion

  • USA Standard ring and pinion sets are the right choice to add confidence to your install
  • USA Standard Gear offers a full line of ring and pinion sets for a variety of common and hard to find applications
  • This product is used in a 3.55 axle ratio

Check Latest Price

Sold By Price
Amazon.com
eBay
Sears – FastMedia
KT Performance

Product Details

Specifications

Details
Length 16 in
Height 6 in
Width 12 in
Weight 11.78 lb

2. Motive Gear D44-307 Ring and Pinion (Dana 44 Style, 3.07 Ratio, Standard)

Motive Gear D44-307 Ring and Pinion (Dana 44 Style, 3.07 Ratio, Standard)

  • D44-307

Check Latest Price

Sold By Price
Amazon.com
eBay
AutoZone
Rigid Axle

Product Details

Specifications

Details
Length 15 in
Height 5.25 in
Width 11 in
Weight 13.55 lb

Reviews From Real Customers

TheyCallMeBill
JT8101997
JerryS

3. Pro Comp 37X12.50R20LT Tire, A/T Sport – 43712520

Pro Comp 37X12.50R20LT Tire, A/T Sport - 43712520

  • All-Terrain compound formulated for the optimum performance across wet, dry, on and off-road surfaces
  • Sweeping groove technology increases traction and stability on all road conditions
  • Side holder lugs greatly improve traction in all-terrain environments and all-weather conditions while increasing puncture resistance
  • Staggered design increases grip in all-terrain and inclement weather environments by providing superior traction and water channeling

Check Latest Price

Sold By Price
Amazon.com – Seller
4 Wheel Parts
Vicious Off-Road
RealTruck.com

Product Details

Specifications

Details
Length 36 in
Height 13 in
Width 36 in
Weight 84 lb

Reviews From Real Customers

fishcamp
mauriccarvaja0
Efrain R

4. Yukon Gear YG D44RS-488RUB Ring and Pinion Gear Set

Yukon Gear YG D44RS-488RUB Ring and Pinion Gear Set

  • 4.88 Ratio

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
Ron’s Machining Service
AutoZone

Product Details

Specifications

Details
Axle Type Dana 44
Axle Type Dana 44 Rev.
Gear Ratio 4.88
Position Front
WARNING CA Proposition 65 No

Reviews From Real Customers

Jon56
Butch
ClaudioM

5. Yukon Gear & Axle YG F10.5-430-37 Ring and Pinion Gear Set

Yukon Gear & Axle YG F10.5-430-37 Ring and Pinion Gear Set

  • Ford 10.5 in 4.30 Ratio -37

Check Latest Price

Sold By Price
Amazon.com – Seller
eBay
Ron’s Machining Service
Drivetrain America

Product Details

Specifications

Details
Length 19 in
Height 6 in
Width 14 in
Weight 28.74 lb

6. Motive Gear D30-488TJ – Differential Ring and Pinion

Motive Gear D30-488TJ - Differential Ring and Pinion

  • 39-8 Teeth, 4.88 Ratio

Check Latest Price

Sold By Price
Amazon.com
eBay
Walmart
AutoZone

Product Details

Specifications

Details
Length 15 in
Height 5.25 in
Width 11 in
Weight 8.7 lb

7. Nitto Trail Grappler M/T 37X12.50R20LT Tire

Nitto Trail Grappler M/T 37X12.50R20LT Tire

  • 3.25 inch lift35 inch
  • 5.5 inch lift37 inch
  • Not recommendedJK, JL and Gladiator33 inch

Check Latest Price

Sold By Price
Amazon
eBay
Walmart
Americas Tire

Product Details

Specifications

Details
Size 37×12.50R20LT
Sidewall Black Wall
Speed Index Q
Load Range E
Load Index 126

8. Toyo Open Country R/T Tire 350210

Toyo Open Country R/T Tire 350210

  • 35×12.50r17

Check Latest Price

Sold By Price
Amazon
eBay
Quadratec
Discount Tire

Product Details

Specifications

Details
Size 35×12.50R17LT
Sidewall Black Wall
Speed Index Q
Load Range E
Load Index 121

Reviews From Real Customers

Jeremy2017F250

9. Yukon Gear YGK014 Gear and Install Kit Package (For Jeep JK non-Rubicon, 5.13 Ratio)

Yukon Gear YGK014 Gear and Install Kit Package (For Jeep JK non-Rubicon, 5.13 Ratio)

  • 42.45

Check Latest Price

Sold By Price
Amazon
eBay
Off Road Warehouse
Sears

Product Details

Specifications

Details
Length 16 in
Height 6 in
Width 12 in
Weight 42.5 lb

Reviews From Real Customers

Grimm01
JoeWest
ScottBB

10. USA Standard Gear ZG D44JK-538RUB Ring and Pinion Set

USA Standard Gear ZG D44JK-538RUB Ring and Pinion Set

  • Position: Rear
  • WARNING CA Proposition 65: No
  • High Performance Gear Set
  • Uses Latest Designs And Manufacturing Technologies
  • Provides Gear That Is Strong And Easy To Set Up

Check Latest Price

Sold By Price
Amazon
eBay
CarParts.com
ExtremeTerrain.com

Product Details

Specifications

Details
Length 16 in
Height 6 in
Width 12 in
Weight 17.6 lb

11. Nitro Gear & Axle Jeep Gear Packages

Nitro Gear & Axle Jeep Gear Packages

  • 4.88

Check Latest Price

Sold By Price
eBay
ExtremeTerrain.com
Hired Gun Offroad
eBobs Garage

Product Details

Specifications

Details
Length 18 in
Height 12 in
Width 14 in
Weight 44 lb

Reviews From Real Customers

RichardV
JeepTroll

12. Ironman 98371 – All Country M/T (37X12.50R20 128Q)

Ironman 98371 - All Country M/T (37X12.50R20 128Q)

  • TireWidth: 12.5
  • AspectRatio: 37
  • RimDiameter: 20
  • SeasonDesignation: All Season
  • RunFlat: 0

Check Latest Price

Sold By Price
eBay
OnlineTires.com
Sears – Online Tires
Tirebuyer.com

Product Details

Specifications

Details
Size 37×12.50R20
Sidewall Black Wall
Speed Index Q
Load Range F
Load Index 128

Reviews From Real Customers

bikenut1011
lindsaymiller510
wilhast14

13. G2 Axle and Gear 2-2046-411-37 Ring and Pinion Set

G2 Axle and Gear 2-2046-411-37 Ring and Pinion Set

  • Designed for High Performance Applications
  • Ford E-350 Super Duty
  • Ford F-250 Super Duty
  • Ford F-350 Super Duty

Check Latest Price

Sold By Price
eBay – jjboy925
4 Wheel Parts

Product Details

Specifications

Details
Length 12 in
Height 5.5 in
Width 11 in
Weight 25 lb

14. Yukon Gear YGK017 Gear and Install Kit Package (For Jeep JK Rubicon, 5.38 Ratio)

Yukon Gear YGK017 Gear and Install Kit Package (For Jeep JK Rubicon, 5.38 Ratio)

  • 47.82

Check Latest Price

Sold By Price
eBay
Walmart
JEGS High Performance
Off Road Warehouse

Product Details

Specifications

Details
Length 20 in
Height 12 in
Width 16 in
Weight 47.8 lb

15. Nitto Ridge Grappler Tire 217050

Nitto Ridge Grappler Tire 217050

  • 37×12.50r17lt 124q 8 8 / 17″

Check Latest Price

Sold By Price
eBay – autorimshop
Americas Tire
Quadratec
RealTruck.com

Product Details

Specifications

Details
Size 37×12.50R17LT
Sidewall Black Wall
Speed Index Q
Load Range D
Load Index 124

16. Toyo Open Country A/T II 37X12.50R22 127Q

Toyo Open Country A/T II 37X12.50R22 127Q

  • Aggressive sidewall & open tread block for performance in dirt, mud & snow.
  • Tie bars between tread blocks reduce noise, wear and improve braking.
  • Polygonal blocks & zigzag sipes for aggressive all season traction and on slippery roads.
  • Wear resistant tread compounds for long milage.
  • Deep tread grooves for stone, mud and snow ejection.

Check Latest Price

Sold By Price
Walmart
Discount Tire
Tirebuyer.com
Giga Tires

Product Details

Specifications

Details
Size 37×12.50R22LT
Sidewall Black Wall
Speed Index Q
Load Range F
Load Index 127

Reviews From Real Customers

BRIAN W.

17. Toyo Open Country M/T Tire 360270

Toyo Open Country M/T Tire 360270

Check Latest Price

Sold By Price
Complete Street Performance
Evasive Motorsports
Discount Tire Direct
Summit Racing

Product Details

Specifications

Details
Size 37×13.50R17LT
Sidewall Black Wall
Speed Index Q
Load Range E
Load Index 131
Max Load 4
Overall Diameter 37

18. Toyo Open Country M/T Tire 360770

Toyo Open Country M/T Tire 360770

  • Tire Width: 12.5
  • Aspect Ratio: 37
  • Rim Diameter: 17
  • Load Index: 124
  • Speed Rating: Q

Check Latest Price

Sold By Price
Discount Tire
Americas Tire
Complete Street Performance
CARiD.com

Product Details

Specifications

Details
Size 37×12.50R17LT
Sidewall Black Wall
Speed Index Q
Load Range D
Load Index 124

19. G2 Axle and Gear 2-2046-430-37 Ring and Pinion Set

G2 Axle and Gear 2-2046-430-37 Ring and Pinion Set

  • Designed for High Performance Applications
  • Ford E-350 Super Duty
  • Ford F-250 Super Duty
  • Ford F-350 Super Duty

Check Latest Price

Sold By Price
4 Wheel Parts
4Wheel Drive Hardware

Product Details

Specifications

Details
Length 12 in
Height 5.5 in
Width 11 in
Weight 25 lb

20. Goodyear 37X12.50R17LT Tire, Wrangler MT-R with Kevlar – 750578326

Goodyear 37X12.50R17LT Tire, Wrangler MT-R with Kevlar - 750578326

  • DUPONT” KEVLAR REINFORCED SIDEWALLS: Help increase sidewall puncture resistance by 35% for confidence in tough terrain.
  • HARDWORKING WRAPAROUND TREAD: For enhanced sidewall traction in deep mud, sand and rocks.
  • INNOVATIVE ASYMMETRIC TREAD DESIGN: Offers aggressive off-road traction while maintaining enhanced handling on the road.
  • Tyre Installation from $12 per Tyre.

Check Latest Price

Sold By Price
Vivid Racing
4Wheel Drive Hardware
Discount Bandit – Auto Part Emporium

Product Details

Specifications

Details
Size 37×12.50R17LT
Sidewall Black Wall
Speed Index Q
Load Range D
Load Index 124

Conclusion

The final gear ratio for 37 inch tires on a Jeep JK is 3. 73:1. This ratio is determined by the size of the tires and the gear ratio of the Jeep. The Jeep JK has a standard gear ratio of 3. 21:1, but when 37 inch tires are installed, the ratio changes to 3.

73:1. This change in ratio allows the Jeep to maintain the same speed while the larger tires provide more traction.

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