Fits 2000-2005 Ford Excursion 4x4.

These Carli Suspension front axle U-bolts provide the essential clamping force required to secure the front leaf spring packs to the axle housing. Because U-bolts are designed to stretch during the torquing process to maintain a secure grip, reusing old, fatigued, or corroded factory hardware can lead to axle shifting or component failure under load. Replacing them is a critical step when installing new leaf springs or performing front-end maintenance.

Manufactured to withstand the stresses of heavy-duty use, these U-bolts ensure your front suspension remains properly aligned and anchored. Each set is designed for a direct fit on the Ford Excursion 4WD front axle, replacing worn OE hardware with high-strength fasteners that meet or exceed factory specifications.

• Direct replacement for 2000-2005 Ford Excursion 4x4 front axle U-bolts
• Ensures proper clamping force between leaf springs and axle seat
• High-strength hardware designed for durability and secure torque retention
• Includes required washers and nuts for installation

Fits 2011-2023 Ford F250 and F350 4x4 models.

When upgrading to a heavy-duty full leaf spring pack, the factory hardware is often too short to accommodate the increased thickness of the spring stack. These Carli rear axle U-bolts are specifically engineered to provide the necessary length and clamping force required to secure the rear axle housing to a full replacement spring pack. Designed to withstand the stresses of off-road use and heavy towing, these bolts ensure your suspension remains properly indexed and secured under load.

• Specifically sized for Carli Full Spring Pack installations
• Provides essential length to clear thicker leaf stacks
• Maintains critical clamping force between the axle and springs
• Fits 2011-2023 Ford F250/F350 4x4 trucks
• Includes high-strength nuts and washers

Fits 2000-2005 Ford Excursion 4x4 and 2005-2010 Ford F-250/F-350 Super Duty 4x4 models.

These Carli Suspension rear axle U-bolts provide the critical clamping force required to secure your rear leaf spring pack to the axle housing. Specifically engineered for the Super Duty and Excursion 4x4 platforms, this high-strength hardware is an essential replacement during suspension service or when installing new leaf springs. Proper U-bolt tension is vital for maintaining axle alignment and preventing spring-pack shifting under heavy loads or off-road articulation. Replacing worn or stretched OE hardware ensures your suspension remains seated and secure under all driving conditions.

• Direct replacement for factory rear axle U-bolts on 4x4 models
• High-tensile steel construction for maximum clamping force and durability
• Engineered to fit the specific axle tube diameter of the Ford Super Duty and Excursion
• Essential for maintaining rear axle alignment and spring stability

Fits 2019-2023 Ram 3500 4x4 trucks equipped with a 4.25-inch rear axle tube.

These Carli Suspension rear axle U-bolts are engineered to provide a high-strength, secure connection between the leaf spring pack and the rear axle housing. Specifically designed for the 4.25-inch diameter axle tubes commonly found on heavy-duty Ram 3500 configurations, these U-bolts ensure your suspension remains properly located and stabilized, even under significant towing and hauling loads. Whether you are replacing fatigued OE hardware or installing new leaf springs, these U-bolts provide the necessary clamping force to maintain rear-end integrity.

• Specifically sized for 4.25-inch diameter rear axle tubes
• High-strength construction to handle increased torque and payload demands
• Essential for maintaining suspension geometry and axle positioning
• Direct fit for 2019-2023 Ram 3500 4x4 applications

Fits select 2003-2018 Dodge RAM 2500 and 3500 Diesel models.

This Carli Suspension U-Bolt Kit provides the high-strength clamping force required to properly secure the rear leaf spring pack to the axle housing on heavy-duty diesel Ram trucks. Whether you are installing a new leaf pack or performing routine rear-end service, replacing stretched factory hardware is critical to maintaining axle alignment and preventing component shift under load.

• Engineered for 2003-2018 Ram 2500/3500 Diesel applications
• Provides essential clamping force for rear suspension stability
• Direct replacement for worn or stretched OE U-bolts
• Full kit includes U-bolts and necessary mounting hardware

ARP 12-point fasteners are engineered for high-performance applications where space is limited and fastener strength is critical. These 3/8"-16 bolts feature a 1.000" under-head length and a compact 12-point head with a 7/16" wrenching diameter, allowing for high torque loads in tight clearances that standard hex heads cannot accommodate.

Manufactured to ARP's exacting tolerances, these bolts provide significantly higher tensile strength than standard Grade 8 hardware. The durable black oxide finish offers a professional appearance and essential corrosion resistance for engine, chassis, and accessory mounting applications where precision and reliability are required.

• Thread Size: 3/8"-16
• Under-Head Length: 1.000"
• Head Style: 12-Point
• Wrenching Size: 7/16"
• Finish: Black Oxide
• Quantity: 5 Bolts per package

Fits 1989-1994 Porsche 964 models.

Ensure the structural integrity and sealing of your flat-six engine with the ARP Crankcase Bolt Kit. During a high-performance rebuild, original equipment hardware often fails to provide the consistent clamping force necessary to keep case halves perfectly aligned under high thermal and mechanical stress. These ARP fasteners are engineered to exceed OE specifications, providing the superior tensile strength required to prevent case shifting and the chronic oil leaks common in air-cooled Porsche engines.

This kit replaces the factory fasteners with high-strength hardware designed for precision torque loading. Whether you are performing a standard top-end refresh or building a high-compression track engine, these fasteners provide the reliability needed to maintain main bearing bore roundness and case-half seal integrity.

• Specifically engineered for the Porsche 964 engine architecture
• Delivers superior clamping force to prevent case movement
• High-strength construction for maximum reliability under extreme conditions
• Essential component for any professional engine overhaul or performance build

Secure your harmonic balancer with the reliability of an ARP Crank Pulley Bolt, engineered specifically for the BMW B58 3.0L turbocharged engine. In high-performance or high-RPM applications, the factory torque-to-yield (TTY) bolt can be a potential failure point. This ARP fastener provides the superior clamping force required to prevent pulley slippage and maintain crankshaft integrity under stress.

• Designed for BMW B58 inline-six engines
• High-strength alloy construction exceeds OEM fastener specifications
• Reusable design eliminates the need for one-time-use factory stretch bolts
• Precision machined for accurate torque loading and a perfect fit
• Essential hardware for high-horsepower builds and track-driven vehicles

Fits 2007-2018 Jeep Wrangler JK models equipped with a 1-ton GM 14-bolt rear axle swap.

The Artec Industries 1 Ton Rear 14 Bolt Disc Brake Conversion Kit provides a professional-grade solution for integrating a massive 14-bolt rear axle into your JK's braking and ABS system. This kit is specifically designed to facilitate the switch to disc brakes while ensuring your vehicle's electronics remain functional by utilizing precise 52-tooth tone rings.

Constructed for the rigors of heavy-duty off-roading, this conversion kit replaces bulky factory drum setups or aging hardware with modern disc brake components. The inclusion of the 52-tooth configuration is critical for maintaining correct wheel speed sensor data on 2007-2018 JK platforms, preventing limp mode and ABS faults after an axle swap.

• Designed specifically for GM 14-Bolt 1-ton rear axle conversions
• Includes 52-tooth tone rings for JK ABS/ESP compatibility
• Heavy-duty brackets and hardware for secure caliper mounting
• Optimized for extreme off-road durability and heat dissipation
• Manufacturer Part Number: BB1420

The AMS Performance -6AN to -6AN Inline Fuel Pulsation Damper is engineered to stabilize fuel pressure by absorbing the resonance and pressure waves created by high-flow injectors. These oscillations can lead to erratic fuel pressure regulator performance and inconsistent fueling across the RPM range. By smoothing out the pulses within the fuel rail and lines, this damper ensures more stable fuel delivery for performance-tuned engines.

Designed for easy integration into custom or upgraded fuel systems, this unit features a compact, inline profile that installs directly into -6AN plumbing. It is a critical component for high-output builds where precise fuel control is necessary to maintain safe air-fuel ratios.

• Reduces fuel pressure oscillations and resonance
• Promotes more consistent fuel pressure regulator operation
• Compact inline design for versatile mounting
• Dual -6AN fittings for high-flow compatibility
• Manufacturer Part Number: AMS.00.07.0002-2

Fits select 2001-2025 Chevrolet Silverado 2500 HD/3500 HD, Express 2500/3500, GMC Sierra 2500 HD/3500 HD, and Savana 2500/3500 (6.6L).

When installing a Fluidampr performance damper on your 6.6L Duramax engine, secure mounting is critical to managing increased torque and vibration. Fluidampr recommends this High Strength Bolt Kit to ensure maximum clamping force and long-term reliability. The kit features a premium, heat-treated high-strength bolt manufactured by ARP, providing the tensile strength required for heavy-duty and performance diesel applications.

A critical component of this kit is the included diamond-impregnated friction washer. This specialized washer significantly increases the coefficient of friction between the crankshaft snout and the damper hub, preventing the rotational slip that can occur under high-stress conditions.

• Manufacturer Part Number: 300010
• Included Hardware: High-strength heat-treated ARP bolt
• Friction Control: Diamond-impregnated friction washer
• Engine Compatibility: 6.6L Duramax Diesel
• Construction: High-tensile fasteners for secure mounting

Fits select 1999-2015 Ford F-150, F-250, F-350 Super Duty, E-250, E-350, and Excursion models with the 10.5" full-float rear differential.

This Yukon Gear & Axle hub bolt is an essential component for maintaining the drivetrain integrity of your Ford 10.5" full-floating rear end. These bolts secure the axle shaft flange directly to the hub assembly, requiring precise tolerances to handle the torque and load demands of heavy-duty truck applications. Whether you are replacing a single damaged fastener or performing a complete axle service, Yukon small parts provide the reliable fitment needed for a leak-free, secure installation.

• Manufacturer Part Number: YSPBLT-086
• Fits Ford 10.5" Full Float rear differentials
• Thread Pitch: M12-1.75
• Precision-machined for a direct factory replacement
• High-strength construction to maintain clamping force on the axle flange

Fits select 1953-2002 Chevrolet, Dodge, Ford, GMC, International, and Volvo vehicles with Dana 30, Dana 44, or Chrysler 8.75-inch differentials (5.9L).

This Yukon Gear & Axle Power Lok case bolt is an essential component for differential rebuilds or carrier maintenance. Engineered specifically for use with Power Lok limited-slip carriers, this bolt features a left-hand thread pattern to ensure a secure, vibration-resistant hold within the carrier assembly. Replacing worn or stretched hardware with Yukon’s high-strength small parts helps prevent carrier separation and maintain the structural integrity of your differential under load.

• Manufacturer Part Number: YSPBLT-052
• Differential Fitment: Dana Spicer 30, Dana Spicer 44, Chrysler 8.75 in., and 1955-1964 GM Passenger Car
• Thread Orientation: Left Hand (LH) Thread
• Application: Power Lok Case Bolt
• Engine Compatibility: 5.9L

Yukon Gear small parts are designed to meet or exceed OE specifications, providing reliable service for everything from daily driving to heavy-duty towing. Always verify torque specifications during installation to ensure proper carrier assembly.

This Yukon Gear & Axle ring gear bolt is engineered for select 1979-2017 Cadillac, Chevrolet, GMC, and Dodge vehicles equipped with GM 9.2-inch or 9.5-inch differentials. During any gear ratio swap or differential rebuild, replacing your ring gear hardware is essential to ensure the ring gear remains securely fastened to the carrier under high torque loads.

Yukon Gear small parts are manufactured to meet or exceed factory tolerances, providing the reliability needed for heavy-duty drivetrain applications. This specific bolt features a precision-machined 12mm x 1.5 thread pitch to ensure a perfect fit in compatible axle assemblies.

• Fits GM 9.2" and 9.5" ring gear applications
• Thread Size: 12mm x 1.5
• High-strength construction for drivetrain durability
• Essential for gear installation and differential maintenance
• Manufacturer Part Number: YSPBLT-017

Fits select 1960-2011 Chrysler, Dodge, Plymouth, and Ram vehicles (5.9L).

Ensure a secure and reliable ring gear installation with this Yukon Gear & Axle high-strength replacement bolt. Engineered to withstand the rotational forces and torque loads within the differential, this 3/8"-24 fine-thread bolt is a critical component for any ring and pinion service or gear ratio change. Replacing ring gear bolts during a rebuild prevents catastrophic failure caused by reused, stretched, or fatigued factory hardware.

This bolt is specifically designed for Chrysler 7.25-inch, 8.0-inch IFS, 8.25-inch, and 8.75-inch differentials, as well as GM 7.2-inch IFS front applications. It features a precise 0.866-inch length to ensure proper thread engagement without bottoming out in the housing.

• Manufacturer Part Number: YSPBLT-005
• Thread Pitch: 3/8" x 24
• Overall Length: 0.866"
• Compatible Differentials: Chrysler 7.25", 8.0" IFS, 8.25", 8.75" & GM 7.2" IFS Front
• High-strength steel construction for maximum clamping force

These ARP 10-24 x .625 specialty bolts are engineered for superior strength and corrosion resistance in demanding automotive applications. Manufactured from ARP’s proprietary Stainless 300 alloy, these fasteners are rated at a 170,000 psi tensile strength, significantly outperforming standard Grade 8 hardware. The 12-point head design provides a larger surface area for socket engagement, allowing for more consistent torque application in tight clearances.

• Thread Size: 10-24
• Length: .625 in (5/8")
• Head Style: 12-Point
• Material: Stainless 300 (Stainless Steel)
• Tensile Strength: 170,000 psi
• Finish: Polished
• Manufacturer Part Number: 701-0625

Ideal for engine dress-up, accessory mounting, and bracketry where both aesthetics and mechanical integrity are required. The polished stainless finish is maintenance-free and resistant to rust and pitting, even in harsh environments.

The RockJock CE-91107TB greaseable bolt kit is engineered for maintaining Johnny Joint rod ends and other articulating suspension components. Featuring an integrated zerk fitting, this Grade 8 bolt allows for direct lubrication of the joint internals without disassembly, ensuring smooth pivot operation and reducing premature wear.

This hardware kit includes a high-strength Grade 8 zerk-fitted bolt, two flat washers, and a stover nut to provide a secure, vibration-resistant installation. While optimized for RockJock Johnny Joints, these bolts are versatile enough for any custom suspension or chassis application requiring a 9/16-inch diameter mounting point with grease serviceability.

• Thread Pitch: 9/16 in.-18
• Length: 4 1/2 in.
• Material: Grade 8 Steel
• Includes: Zerk-fitted bolt, 2 flat washers, and 1 stover nut
• Manufacturer Part Number: CE-91107TB

Fits select 2015-2020 Chevrolet Colorado and 2007-2023 Toyota Tacoma and Tundra.

The Old Man Emu UCB17 Center Bolt and Nut is a critical component for leaf spring assembly, designed to keep the individual leaves of the spring pack aligned and properly secured. This high-strength hardware is essential when installing additional spring liners, trim packers, or when performing maintenance on your leaf pack where the original factory pin may be sheared or corroded.

• Designed for seamless integration with Old Man Emu suspension systems
• High-tensile strength construction to maintain clamping force during heavy suspension cycling
• Essential for securing leaf spring packs and preventing leaf migration
• Corrosion-resistant finish for long-term durability in off-road environments
• Includes one high-grade center bolt and matching nut
• Manufacturer Part Number: UCB17

The RockJock greaseable bolt assembly is designed for high-performance suspension maintenance, specifically engineered to lubricate Johnny Joint rod ends or other articulating pivot points. This Grade 8 fastener features an integrated zerk fitting in the bolt head, allowing grease to be pumped directly into the joint to reduce friction and extend component life.

• Bolt Grade: High-strength Grade 8 steel
• Dimensions: 1/2 inch-20 thread pitch x 3.1/2 inch length
• Lubrication: Integrated zerk grease fitting
• Complete Hardware Kit: Includes one greaseable bolt, two flat washers, and one stover locking nut
• Part Number: CE-91128

While optimized for RockJock Johnny Joints, this greaseable hardware is a versatile solution for custom links, control arms, and any application requiring a high-strength, lubricated fastener.

Fits 1969-1985 Toyota 4Runner, Hi-Lux, and Pickup models.

The Old Man Emu Front U-Bolt Washer and Nut (OMEU52) is a critical component for the proper installation and maintenance of your front leaf spring suspension. Part of the integrated ARB Old Man Emu suspension system, this hardware set is engineered to provide reliable clamping force for front U-bolts. Replacing worn or single-use hardware during a suspension overhaul is essential for ensuring the axle remains securely located and the leaf pack stays properly compressed under load.

• Specifically engineered for front leaf spring installation
• Replaces worn or damaged OE-style hardware
• Designed for use with Old Man Emu suspension systems
• Manufacturer Part Number: OMEU52

This 5-pack of ARP 774-1008 fasteners provides the professional-grade strength and superior corrosion resistance required for critical automotive and custom fabrication projects. Manufactured from ARP’s proprietary Stainless 300 alloy, these M12 x 1.50 bolts are polished to a high-luster finish that resists rusting and pitting even in harsh environments. The 12-point head design provides a larger gripping surface for more consistent torque distribution and allows for better tool clearance in tight spaces compared to traditional hex-head hardware.

• Brand: ARP (Automotive Racing Products)
• Part Number: 774-1008
• Thread Size: M12 x 1.50
• Under Head Length (UHL): 70mm
• Head Style: 12-Point
• Material: Stainless 300 Alloy
• Quantity: 5 Bolts per package

Engineered for durability and precision, these bolts are significantly stronger than standard Grade 8 hardware, making them a reliable choice for high-stress applications where both aesthetics and structural integrity are paramount.

Fits select 2001-2025 Chevrolet Silverado, Express and GMC Sierra, Savana (6.6L).

The Fluidampr 300019 Drill Pin Kit provides a professional solution for securing the harmonic balancer to the crankshaft snout on Chevy/GM 6.6L Duramax diesel engines. In high-torque or high-RPM applications, the factory interference fit may not be sufficient to prevent the damper from spinning on the crankshaft. This kit allows you to mechanically lock the damper in place, ensuring timing accuracy and preventing potential engine damage.

• Specifically designed for the GM 6.6L Duramax crankshaft architecture
• Includes precision-machined drill fixture for perfect hole alignment
• High-strength press-fit steel dowel pin included
• Comes with the correct-sized drill bit for a seamless installation
• Recommended for all performance-modified Duramax builds using Fluidampr units

Each kit (MPN 300019) is engineered to simplify the pinning process, providing the exact tools needed to create a robust, keyed-style connection between the crankshaft and the damper.

Fits select 1996-2020 Subaru, Scion, Toyota, and Saab models, including Impreza, WRX, STI, Forester, Legacy, Outback, BRZ, and 86. This Fel-Pro ES72905 cylinder head bolt set is essential for ensuring a professional-grade seal during head gasket replacement or engine overhaul.

Because many modern engines utilize Torque-to-Yield (TTY) bolts designed to stretch once during initial installation, reusing old hardware creates a high risk of uneven clamping force and premature gasket failure. Fel-Pro head bolts are engineered to meet or exceed original equipment specifications, providing the specific tension required to maintain the combustion seal on aluminum or iron blocks.

• Replaces worn or stretched OE hardware to prevent head gasket leaks
• Specifically designed for the repair environment to handle imperfect sealing surfaces
• Validated for fit, form, and function across all listed applications
• Application-specific design ensures proper length and thread pitch for critical engine assembly
• Manufacturer Part Number: ES72905