Fits 2000-2006 Toyota Tundra 4x4 (Base, Limited, and SR5 models).

The Tuff Country 55913 Front Differential Drop Kit is engineered to correct CV axle angles on lifted or leveled four-wheel-drive applications. When the front suspension is raised, the increased angle on the front CV axles can cause binding, excessive vibration, and accelerated wear on the CV boots. This kit utilizes precision spacers to lower the front differential, effectively restoring the drivetrain geometry closer to factory specifications.

• Reduces or eliminates binding on front CV axles caused by suspension lifts
• Corrects axle operating angles to prevent premature CV boot failure
• Essential for maintaining drivetrain longevity on 4WD models
• Includes necessary mounting hardware for a straightforward bolt-on installation
• Manufacturer Part Number: 55913

Fits select 2005-2024 Ford F-250 and F-350 Super Duty trucks equipped with two-piece rear driveshafts.

When lifting a Ford Super Duty, the factory driveline geometry is often altered, leading to unwanted vibrations or "shudder" during acceleration. The Tuff Country EZ-Ride carrier bearing drop kit (MPN 20933) is designed to correct these driveline angles by lowering the carrier bearing mounting point. This simple but effective modification helps realign the driveshaft to eliminate vibration and prevent premature wear on universal joints.

• Realigns two-piece driveshafts on lifted applications
• Helps eliminate takeoff shudder and driveline vibration
• Engineered for precise fitment with factory mounting points
• Manufacturer Part Number: 20933

Fits 1987-2001 Jeep Cherokee models (Base, Briarwood, Chief, Classic, Country, Laredo, Limited, Pioneer, SE, and Sport).

Tuff Country rear axle u-bolts are engineered specifically for vehicles equipped with suspension lift kits. These 2.75-inch wide u-bolts provide the critical clamping force required to secure the leaf spring pack to the rear axle housing, maintaining suspension alignment and stability. They serve as a direct replacement for worn or stretched factory hardware when installing a lift.

To ensure long-term durability in harsh environments, these u-bolts feature a zinc-plated finish for maximum corrosion resistance. This kit is a complete solution for one vehicle, providing all necessary hardware for a secure installation.

• Designed for 1987-2001 Jeep Cherokee (XJ) rear axle applications
• Includes four (4) u-bolts, nuts, and washers
• Zinc-plated finish protects against rust and corrosion
• Inside Width: 2.75 inches
• Manufacturer Part Number: 47861

Fits 2003-2006 Mitsubishi Evolution VII, VIII, and IX.

The Torque Solution Billet Rear Differential Mounts (TS-EV-196) are designed to eliminate the excessive drivetrain movement allowed by factory rubber bushings. By securing the rear differential with rigid billet construction, these mounts help reduce wheel hop during hard launches and improve power delivery to the wheels. This is a critical upgrade for Mitsubishis used in high-performance street or track applications where drivetrain stability is paramount.

• CNC machined billet aluminum construction for precision fitment
• Black anodized finish for superior corrosion and wear resistance
• Eliminates rear differential movement and drivetrain slop
• Helps reduce wheel hop and improves power transfer
• Direct replacement for factory mounts
• Manufacturer Part Number: TS-EV-196

Fits select 1980-1996 Ford F-150, Bronco, and Bronco II 4WD models equipped with suspension lift springs or add-a-leafs.

These Tuff Country rear axle U-bolts are engineered specifically for vehicles with suspension lift kits. When adding lift springs or add-a-leafs, factory hardware is often too short to safely secure the leaf pack to the axle. These extended U-bolts provide the required length and clamping force to maintain suspension integrity and safety during off-road or heavy-duty use.

• Specifically sized for lifted 4WD Ford truck and SUV applications
• Zinc-plated finish provides excellent corrosion resistance
• Designed for use with aftermarket lift springs or add-a-leaf setups
• Complete kit includes (4) U-bolts, (8) nuts, and (8) washers
• Manufacturer Part Number: 27852

Fits 2006-2011 Honda Civic Si (K-Series).

Secure your powertrain and eliminate unwanted engine rotation with this Innovative Mounts billet aluminum engine mount kit. Designed for the 8th generation Civic Si, these mounts are CNC-machined from high-grade 6061-T6 billet aluminum for superior strength and weight savings over factory cast pieces. The 75A durometer polyurethane bushings provide a firm, track-ready feel that significantly reduces wheel hop and improves shift precision by maintaining drivetrain alignment under heavy acceleration.

• CNC-machined from 6061-T6 billet aluminum with a silver finish
• 75A durometer bushings for track and high-performance street use
• Reduces engine movement to improve throttle response and power delivery
• Note: Designed for K20 transmissions; does not fit K24 transmission swaps
• Direct replacement for factory mounting points
• Manufacturer Part Number: B90850-75A

Fits select 2022-2024 Toyota Tundra and 2023-2024 Toyota Sequoia.

Tuff Country’s Front Differential Drop Bracket Kit (MPN 50901) is engineered to restore proper driveline geometry on lifted late-model Toyota trucks. By lowering the front differential, this kit optimizes CV joint angles to reduce vibration and premature axle wear often caused by suspension lifts. The brackets are equipped with high-durometer polyurethane bushings, which provide a firm mount that prevents differential rotation or movement under heavy load while maintaining superior durability over factory rubber components.

• Optimizes front CV joint operating angles on lifted vehicles
• Reduces drivetrain vibration and extends axle life
• High-durometer polyurethane bushings prevent differential movement under load
• 100% bolt-on installation requiring no welding or cutting
• Includes all necessary hardware for a complete install
• Proudly made in the USA
• Manufacturer Part Number: 50901
• Limited Lifetime Warranty

Vehicle Fitment Information

Fits 1987-2001 Jeep Cherokee (Base, Briarwood, Chief, Classic, Country, Laredo, Limited, Pioneer, SE, and Sport).

These Tuff Country rear axle u-bolts are engineered specifically for Jeep Cherokee XJ models equipped with aftermarket suspension lift kits. When increasing ride height with lift blocks or modified leaf packs, standard OE hardware often lacks the necessary length and clamping force. These 3.25-inch wide u-bolts provide the clearance needed to secure the axle housing to the leaf spring assembly, ensuring suspension stability during articulation.

Each bolt is finished with a protective zinc plating to resist corrosion, road salt, and environmental debris. This kit is a complete solution for replacing worn or undersized hardware during a lift kit installation or rear-end service.

• Manufacturer Part Number: 47860
• Axle Width: 3.25 Inches
• Finish: Zinc Plated for corrosion resistance
• Hardware Included: (4) U-bolts, (8) Nuts, (8) Washers
• Application: Rear Axle / Lifted Applications

Fits 1976-1983 Jeep CJ5 and 1976-1986 Jeep CJ7.

These Tuff Country rear axle U-bolts are engineered specifically for vehicles equipped with aftermarket suspension lift kits. When installing a lift or replacing worn leaf springs, high-quality U-bolts are essential for maintaining the critical clamping force between the axle housing and the spring pack. These bolts serve as a reliable replacement for stretched, fatigued, or corroded factory hardware.

Constructed for durability in harsh off-road environments, each bolt features a zinc-plated finish to provide superior corrosion resistance against moisture and road debris. This kit comes complete with all necessary hardware for a full rear axle service.

• Designed for use with suspension lift kits
• Zinc-plated finish for maximum corrosion resistance
• Heavy-duty construction to maintain proper axle clamping force
• Kit Includes: (4) U-bolts, (8) hi-nuts, and (8) washers
• Manufacturer Part Number: 47750

Fits select 2000-2023 Toyota Tacoma and Tundra models equipped with 3-inch rear lift blocks.

Tuff Country 57950 rear axle u-bolts are engineered specifically for Toyota trucks running suspension lift kits. These extended u-bolts provide the critical clamping force required to secure the rear axle to the leaf spring pack when using 3-inch lift blocks. To ensure longevity in harsh environments, each bolt features a zinc-plated finish for superior corrosion resistance against road salt and debris.

• Designed for vehicles with 3-inch rear suspension lift blocks
• Zinc-plated finish resists corrosion and oxidation
• Includes four (4) u-bolts with matching nuts and washers
• Manufacturer Part Number: 57950

Fits select 1986-2006 Toyota Pickup, Tacoma, and Tundra models equipped with 2.5-inch wide u-bolts and 3-inch rear lift blocks.

These Tuff Country rear axle u-bolts are engineered specifically for vehicles with suspension lift kits. When installing 3-inch lift blocks, factory u-bolts are often too short to safely secure the leaf spring pack to the axle housing. This kit provides the extended length required to maintain proper clamping force and suspension geometry on your lifted Toyota.

Constructed for durability and ease of installation, these u-bolts feature a zinc-plated finish that resists corrosion from road salt and moisture. This ensures the hardware remains structural and easier to service over the life of the vehicle.

• Includes four (4) heavy-duty u-bolts
• Includes matching nuts and washers for a complete installation
• Zinc-plated finish for superior corrosion resistance
• Specifically designed for 2.5-inch u-bolt applications with 3-inch lift blocks
• Manufacturer Part Number: 57850

Fits 2005-2020 Toyota Tundra models with a two-piece rear driveshaft. This Tuff Country EZ-Ride carrier bearing drop kit is designed to eliminate driveline vibration and shudder often experienced after installing a suspension lift. By lowering the carrier bearing mounting point, this kit restores proper driveshaft alignment and corrects the pinion angle to ensure smooth operation.

• Corrects driveline geometry on lifted Toyota Tundra applications
• Helps eliminate takeoff shudder and highway-speed vibrations
• Specifically engineered for vehicles equipped with two-piece rear driveshafts
• Includes all necessary spacers and mounting hardware for a complete installation
• Manufacturer Part Number: 55914

Fits 1994-2002 Dodge Ram 2500 and 3500 4WD with factory contact overloads and 5.5-inch rear lift blocks.

This Tuff Country Rear Axle U-Bolt Kit (MPN 37755) is specifically engineered for second-generation Dodge Ram heavy-duty trucks utilizing 5.5-inch lift blocks. When adding significant rear lift, the factory hardware is no longer long enough to safely capture the leaf spring pack, lift block, and axle housing. These extended U-bolts provide the necessary reach and clamping force to maintain suspension geometry and safety.

Each bolt is finished in a protective zinc plating to resist corrosion and road salt, ensuring longevity and ease of maintenance. This complete kit provides the hardware necessary for the rear axle assembly, replacing worn or undersized OE components with vehicle-specific hardware designed for lifted applications.

• Designed specifically for models with factory contact overload springs
• Extended length for vehicles equipped with 5.5-inch rear lift blocks
• Zinc-plated finish for superior corrosion and weather resistance
• Complete set includes (4) U-bolts with matching nuts and washers
• Direct-fit installation for rear axle housing
• Manufacturer Part Number: 37755

Fits 1999-2004 Ford F-250 and F-350 Super Duty 4WD models.

Tuff Country axle U-bolts are specifically engineered for Ford Super Duty trucks equipped with aftermarket suspension lift kits. Maintaining proper clamping force is essential for axle alignment and suspension integrity. These heavy-duty U-bolts replace worn or undersized hardware, ensuring your front leaf spring pack remains securely mated to the axle housing under load.

Constructed for durability, these bolts feature a zinc-plated finish to resist corrosion and oxidation in harsh underbody environments. This complete kit provides the necessary hardware for a professional installation or maintenance of your lifted front end.

• Zinc-plated finish for maximum corrosion resistance
• Designed for 1999-2004 Ford F-250/F-350 Super Duty 4WD applications
• Optimized for use with suspension lift kits
• High-strength steel construction for reliable clamping force
• Manufacturer Part Number: 27900

Includes: (4) U-bolts, (8) nuts, and (8) washers.

Fits select 1980-2016 Ford F-250 and F-350 4WD models equipped with 3-inch to 4-inch rear lift blocks.

Tuff Country rear axle U-bolts are engineered as essential hardware for trucks running aftermarket suspension lift kits. When installing 3-inch to 4-inch lift blocks, factory U-bolts are typically too short to safely secure the leaf spring pack and block to the axle housing. These extended U-bolts provide the necessary length and tensile strength to maintain a rigid connection, preventing axle wrap and component shifting under load.

Each bolt is zinc plated to provide superior corrosion resistance against road salt and moisture. This complete kit includes all necessary high-strength nuts and washers for a straightforward installation on the rear axle.

• Specifically sized for vehicles with 3" to 4" rear lift blocks
• Corrosion-resistant zinc plated finish for long-term durability
• Direct replacement for undersized OE hardware in lifted applications
• Includes (4) U-bolts, (8) nuts, and (8) washers
• Manufacturer Part Number: 27854

Fits 1983-1997 Ford Ranger 4WD models (Stock Height or Lifted with Add-a-Leaf).

Tuff Country rear axle u-bolts are engineered as high-strength replacements for your Ford Ranger. These u-bolts provide the critical clamping force required to secure the rear axle housing to the leaf spring pack, whether you are running a factory suspension setup or have installed a rear add-a-leaf kit. Each component is finished with a durable zinc plating to resist corrosion and maintain structural integrity in harsh underbody environments.

• Direct fit for 1983-1997 Ford Ranger 4WD
• Compatible with stock height or add-a-leaf rear lift applications
• Zinc plated finish for maximum corrosion resistance
• Complete kit includes four (4) u-bolts, nuts, and washers
• Manufacturer Part Number: 27853

Fits select 1988-2010 Chevrolet and GMC K1500, K2500, Silverado, and Sierra models equipped with 4-inch rear lift blocks.

Tuff Country rear axle U-bolts are engineered specifically for trucks with aftermarket suspension lift kits. When installing 4-inch blocks, factory U-bolts are too short to safely secure the axle to the leaf spring pack. These extended-length U-bolts provide the necessary reach and clamping force to maintain suspension integrity. Each bolt is zinc plated for superior corrosion resistance, ensuring durability against road salt and moisture.

• Designed specifically for vehicles using 4-inch rear lift blocks
• Zinc plated finish for maximum corrosion resistance
• Includes four (4) U-bolts with required nuts and washers
• Direct replacement for undersized bolts in lifted applications
• Manufacturer Part Number: 17857

Fits 2005-2006 Mitsubishi Lancer Evolution (including MR, RS, and SE trims).

The Torque Solution Rear Differential Mount Inserts (TS-EV-007) are engineered to eliminate excessive drivetrain slop and differential movement. These inserts install directly into the factory rubber bushings, filling the internal voids to provide a more rigid mounting surface. By stiffening the rear differential carrier, you get more direct power delivery to the wheels and a significant reduction in the "thumping" sensation often felt during hard shifts or aggressive launches.

• Reduces drivetrain movement for improved throttle response
• Helps eliminate wheel hop and drivetrain slop during hard acceleration
• Fills factory bushing voids without the harshness of a full solid mount
• Durable construction designed for high-performance street and track use
• Manufacturer Part Number: TS-EV-007

Secure your axle and leaf spring assembly with the Skyjacker Replacement Axle U-Bolt Kit. Engineered to replace stretched, corroded, or damaged factory hardware, these U-bolts provide the critical clamping force required to maintain proper suspension alignment. This kit is designed for use with both stock and aftermarket leaf spring packs, ensuring a reliable connection between the axle housing and the spring stack.

• Manufactured from high-strength ductile iron for long-term durability under load
• Equipped with fixed center pins to ensure precise leaf spring positioning
• E-coated finish for superior resistance to rust and environmental corrosion
• Universal application for various leaf spring configurations
• Includes necessary mounting nuts for a complete installation
• Manufacturer Part Number: U9FF
• Supported by a Limited Lifetime Warranty

Fits select 1976-1986 Jeep CJ5, CJ7, and Scrambler models.

Correcting driveline geometry is essential after installing a suspension lift. The Skyjacker TCL35 Transfer Case Lowering Kit is designed specifically for vehicles with 2 inches or more of lift to minimize or eliminate driveline vibrations. By lowering the transfer case, this kit decreases driveshaft angles to bring them closer to factory specifications, reducing wear on U-joints and preventing drivetrain binding.

This kit features Skyjacker's updated 1-piece spacer bars, providing a cleaner look and a more straightforward installation compared to multi-piece designs. These spacers are engineered to withstand the rigors of off-road use while maintaining proper alignment of the drivetrain components.

• Reduces driveline vibration by optimizing driveshaft angles
• Designed for Jeep CJ models with 2-inch or greater suspension lifts
• Updated 1-piece spacer bar design for simplified installation
• Includes necessary mounting hardware
• Manufacturer Part Number: TCL35
• Limited Lifetime Warranty

Fits 1987-1995 Jeep Wrangler (YJ) models. Adding a suspension lift of 2 inches or more to your Jeep YJ increases the operating angle of the driveshafts, which often results in annoying driveline vibrations. The Skyjacker TCL25 Transfer Case Lowering Kit corrects this geometry by dropping the transfer case, bringing the driveshaft angles closer to factory specifications for smoother operation.

This kit features Skyjacker's updated one-piece spacer bars. Unlike multi-piece puck designs, these solid spacer bars provide a more stable mounting surface, a cleaner look under the chassis, and a significantly simpler installation process. This is an essential modification for maintaining drivetrain longevity and ride quality on lifted YJ platforms.

• Eliminates or minimizes driveline vibrations caused by suspension lifts
• Corrects driveshaft angles to preserve U-joints and seals
• Heavy-duty one-piece spacer bar design for superior stability
• Includes all necessary hardware for a direct-bolt installation
• Manufacturer Part Number: TCL25
• Limited Lifetime Warranty

Fits select 1973-1992 Chevrolet and GMC K-series and V-series trucks and SUVs, including Blazer, Jimmy, and Suburban models. Any suspension lift of 2 inches or more can benefit from this Skyjacker Transfer Case Lowering Kit by correcting driveline geometry.

Increased ride height often results in steeper driveshaft angles that lead to vibration and premature wear on universal joints. This kit utilizes newly designed 1-piece spacer bars to lower the transfer case, bringing the driveshaft angles back toward factory specifications. This modification helps maintain smooth operation and can eliminate the need for expensive custom driveshaft modifications or replacements.

• Reduces driveline vibration and corrects steep driveshaft angles
• Optimized for vehicles with suspension lifts of 2 inches or higher
• Features durable 1-piece spacer bars for a cleaner look and easier installation
• Helps prevent drivetrain wear and vibration-related damage
• Includes necessary mounting hardware
• Limited Lifetime Warranty
• Manufacturer Part Number: TCL15

Properly secure your vehicle's leaf springs and axle with the Skyjacker Axle U-Bolt. Designed to maintain critical clamping force and suspension alignment, these U-bolts are a reliable solution for replacing worn or corroded hardware. Each unit is manufactured using ductile iron and features fixed center pins to ensure precise positioning.

To withstand harsh road conditions and prevent rust, the hardware is finished with a durable E-coating. This protective layer ensures long-term corrosion resistance and serviceability. Every U-bolt is supplied with two nylon insert lock nuts, providing a vibration-resistant connection that stays secure under load.

• Manufacturer Part Number: 916X318X912
• Ductile iron construction with fixed center pins
• E-coated for superior corrosion resistance and durability
• Includes 2 nylon insert lock nuts for a secure installation
• Backed by a Limited Lifetime Warranty

Fits 2000-2009 Honda S2000 (F-Series).

Eliminate excessive drivetrain slop and stabilize your rear end with Innovative Mounts Billet Rear Differential Mounts. These mounts are precision CNC-machined from silver-anodized billet aluminum to replace the soft, fluid-filled or worn factory rubber mounts that often fail under spirited driving. By securing the differential more effectively, these mounts reduce wheel hop and improve throttle response, ensuring more power reaches the pavement.

• CNC-machined billet aluminum construction for superior strength and weight savings
• 75A durometer polyurethane bushings designed for high-performance street and track use
• Silver finish for corrosion resistance and a clean look
• Direct-fit replacement for factory mounting locations
• Manufacturer Part Number: B90755-75A

Fits 1996-2000 Honda Civic (EK) chassis for all-wheel-drive drivetrain conversions.

The Innovative Mounts AWD Rear Differential Mount Kit (MPN 103460) is a critical component for enthusiasts performing an AWD swap on the 1996-2000 Honda Civic EK platform. This kit provides the necessary structural mounting points to securely integrate a rear differential into a chassis not originally equipped with one. Engineered using precision CAD/CAM software, these mounts ensure proper driveline geometry and axle alignment, which are vital for reducing vibration and preventing premature component wear during high-torque applications.

• Designed specifically for Civic EK AWD conversions
• Heavy-duty steel construction for maximum rigidity and durability
• Precision CAD/CAM engineered for accurate fitment and alignment
• Includes necessary mounting brackets to secure the rear differential to the chassis
• Manufacturer Part Number: 103460

Fits select 2001-2013 Chevrolet Silverado 2500 HD/3500 HD, GMC Sierra 2500 HD/3500 HD, and Suburban/Yukon XL 2500 4WD models.

This Cognito Front Differential Mount Bracket Kit restores the critical upper driver-side mount to the front differential. Engineered for maximum durability, this bracket is specifically designed to address mounting requirements often encountered during suspension modifications or for replacing worn factory components. The bracket is formed and fabricated from heavy-duty steel to ensure precise alignment and long-term structural integrity under load.

• Replaces or adds the upper driver-side front differential mount
• Formed and fabricated steel construction for superior strength
• Durable semi-gloss black powder coat finish for corrosion resistance
• Includes high-durometer polyurethane bushings for reduced deflection
• Includes all necessary mounting hardware
• Made in the USA
• Manufacturer Part Number: 110-90190