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Differential & Rear-End Components

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Ford Performance Parts Half Shaft Upgrade Axles

A must for your 2015 and later model Mustang—Ford Performance Parts half shaft upgrade axles deliver a robust drivetrain solution to support the higher torque loads of your power-producing muscle car. These better-than-stock performance shafts feature larger diameters, proprietary materials, and CNC-machining—which makes them a stronger and healthier option for your high-powered, sticky-tire-running machine. And with their anti-wheel hop technology, your Mustang will surely put its power to the pavement. Factory half shafts can't handle the additional stresses of your modified ride; for optimum performance, install the Ford Performance Parts half shaft upgrade axles designed for your submodel.

5.0 out of 5 stars ( 2 )

$2,274.99

$2,834.99

On Sale

Spicer Drivetrain Products Ultimate Dana 44 Crate Axle Assemblies

For Jeep lovers who wish to upgrade their axles, Spicer Drivetrain Products Ultimate Dana 44 crate axle assemblies will give you increased durability and strength, on and off the trail. You can be assured of quality and performance when you rely on an industry leader like Spicer Drivetrain. Features: * Axle tubing 5/16 in. thick * Nickel chromoly steel axle shafts * Steel brackets 1/4 in. thick * 1350 axle shaft U-joints * Nodular iron differential cover

5.0 out of 5 stars ( 1 )

$5,169.99


$3,721.49

$4,704.69

Currie 9 in. Crate Rear End Assemblies

Currie 9 in. crate rear end assemblies offer a direct-fit, bolt-in solution for most common car, truck, and Jeep platforms. They feature larger spline axles, heavy-duty components, and internals from leading manufacturers. These axle assemblies are built to exacting standards matching factory specifications for suspension mounting points, pinion location, overall axle width, and wheel bolt pattern for hassle-free installation. Prior to shipping, skilled craftsman meticulously assemble essential parts to deliver years of trouble-free operation for your vehicle. They offer a broad range of gear ratios, performance differentials, or even a spool—if that's your thing. You'll be ready in no time for cruising, racing, off-roading, or just daily driving with Currie 9 in. crate rear end assemblies. Order the kit designed to fit your specific model.

3.5 out of 5 stars ( 4 )

$4,000.00

$5,300.00

RideTech Narrowed 4-Link Axle Assemblies

If you have chosen a Ridetech 4-link system to improve the ride quality, handling, and braking of your classic muscle car, the next purchase should be a Ridetech Ford 9 in. housing and axle package with integrated 4-link and sway bar brackets. These narrowed 4-link axle assemblies allow for the easiest installation of your 4-link system. The 9 in. Ford housings are great foundations for putting torque to the pavement. They feature a webbed center section, internal gussets, thick wall tubes, and billet steel flanges (new-style Big Bearing/Torino). The pinion is offset 1/2 in. and the axle flange is offset 2 1/2 in. The narrowed axle widths satisfy mini-tub applications. Ridetech narrowed housing and axle packages are offered in two axle lengths and available raw or with a black powdercoat finish. Select the proper length and preferred finish for your project. Features and benefits: * Webbed center section with internal gusseting for added strength * 3 in. diameter, 1/4 in. thick wall tubes * 31-spline heat-treated 1541H custom alloy axles * High-quality Timken tapered bearings on axle as standard * Drain plug and jack pad * High-quality Grade 8 installation hardware--housing studs, T-bolts, nuts, and washers * 3rd member studs are pre-installed and ready to accept a third member

5.0 out of 5 stars ( 1 )

$2,175.00

$2,275.00

Detroit Speed FN988 Assembled Center Sections

Is it possible to have a Ford 9-inch axle without an annoying amount of gear whine? Of course, but at what cost? How much time and money are you going to spend chasing down the issue when you can now simply bolt an 8.8-inch center section into your 9-inch housing thanks to the engineers at DSE? Detroit Speed now offers five different gear ratios and a complete assembly that will bolt directly into your 9-inch housing. Complete with forged alloy steel carrier bearing caps, high-strength nodular case, safety wired ARP hardware, 1350 forged steel pinion yoke, and a 31-spline Eaton Truetrac differential, the center sections are built to handle some serious power—and deliver it quietly and more efficiently than any 9-inch. The FN988 case is compatible with all 8.8-inch gears, differentials, and spools. Product features: * Patent-pending design utilizes an 8.8 gear set, which is quieter and more efficient than standard 9-inch components * 31-spline Eaton Truetrac 8.8-inch differential * Available in the following gear ratios: 3.08, 3.27, 3.55, 3.73, and 4.10 * Continuous lubrication of pinion bearings provided by internal oil channels * High-strength nodular cast iron case * Premium ring and pinion utilizing ARP ring bolts with safety wire * Solid pinion preload spacer * Forged alloy steel carrier bearing caps * 1350 forged steel pinion yoke with U-bolt kit * Threaded jack bolt holes in mounting flange ease case removal from axle housing * Case includes mounting holes for bolt-on accessories

4.0 out of 5 stars ( 1 )

$2,499.95

$2,624.95

GForce Outlaw Axle Shafts

High-horsepower and stock axles are fine if you're sitting in neutral and revving the engine, but foot-pounding acceleration requires Gforce Outlaw axle shafts. These direct bolt-in axles feature anti-wheel hop technology for smoother launches, powdercoating for corrosion resistance, and extremely strong CNC-machined one-piece outer and inner billet stubs. Their proprietary aerospace billet alloy shafts use large 31-spline axle bars and 31-spline severe-duty CV joints, enabling these IRS axles to support awe-inspiring performance! Outlaw CVs produce greater travel and operating angles than OE joints, helping to keep tires on the road instead of loitering in outer space. All axle assemblies are hand-built in the USA with premium materials. Order the model recommended for your application.

5.0 out of 5 stars ( 2 )

$2,099.00

$2,399.00

Mopar Replacement Differential Assemblies

Mopar Replacement differential assemblies offer quality, along with an original equipment fit and function to keep your favorite Chrysler, Dodge, or Jeep on the road. You can count on these units to effectively drive your wheels, and keep you moving. Restore and repair your vehicle with genuine Mopar differential assemblies.

4.94 out of 5 stars ( 18 )

$2,021.99

RideTech 1959-64 Chevy Air Suspension Systems

RideTech 1959-64 Chevy air suspension systems are designed specifically for the Chevy "B" Body cars. These kits provide an ultra-low show stance while maintaining excellent ride quality and handling. Choose the air suspension system recommended for your year/model. Some kits may vary depending on your application. RideTech 1959-64 Chevy air suspension system features and notes: * Upper StrongArms (powdercoated black and fully assembled with ball joints, bushing, and cross shafts; ready for installation) * Lower StrongArms (powdercoated black and fully assembled with ball joints, bushing, and cross shafts; ready for installation) * Front HQ Series Shockwaves utilize an impact forged aluminum body and monotube design to deliver excellent ride quality and handling (also allows fine-tuning of the ride quality and handling) * Front and rear MuscleBars help reduce body roll and create room for wider tires. PosiLink end links provide immediate engagement between the chassis and control arms. * Rear StrongArms provide added strength to help get the power to the pavement * Rear CoolRide and HQ Series shocks simply bolt in place of the stock springs. Important note: Control system is not included. To complete your air suspension system, a RideTech compressor system is recommended. * RideTech kit 11060298 upper arm and panhard bar utilize R-joint technology to provide smooth operation and reduce roll bind; must be used with stock spindles. Some cars have two rear upper control arms and will need an additional StrongArm. (1959-64 GM B-Body includes Impala, Bel Air, Biscayne, Brookwood, El Camino, Kingswood, Nomad, and Parkwood)

Not Yet Reviewed

$4,820.00

RCV Ultimate IFS CV Axles

RCV Ultimate IFS CV axles for independent front suspension are designed to overcome the limitations of your axle shafts. They provide increased strength that original equipment axle shafts just can't match--even if you have big tires and big power, there are no worries. Ultimate IFS CV axles are low maintenance, and they meet and exceed the strength of a straight axle swap, while allowing you to maintain the traction, smoothness, and control of your IFS. Equip your vehicle with RCV race-proven materials and design, so you can "Put the power down with confidence!" Select the Ultimate IFS axle set designed for your vehicle.

4.0 out of 5 stars ( 1 )

$2,299.95

$2,999.95

RCV Ultimate CV Axles

RCV Performance Ultimate CV axles simply replace your weak axle shafts with a high-strength design. Tests prove they are twice as strong as OEM shafts, and they're just as tough at a straight angle as they are at extreme angles. Even if you have big tires and big power, there are no worries. Ultimate CV axles are low maintenance and operate with a smoothness you can feel--whether off-road or on the street. And they back it all with a "No Questions Asked" limited lifetime warranty. Available for many vehicles, select the RCV Ultimate axle set designed for truck, SUV, or Jeep.

5.0 out of 5 stars ( 1 )

$2,699.95

$4,195.95

RideTech Stock Width 4-Link Axle Assemblies

If you have chosen a Ridetech 4-link system to improve the ride quality, handling, and braking of your classic muscle car, the next purchase should be a Ridetech Ford 9 in. housing and axle package with integrated 4-link and sway bar brackets. These stock 4-link axle assemblies allow for the easiest installation of your 4-link system. The 9 in. Ford housings are great foundations for putting torque to the pavement. They feature a webbed center section, internal gussets, thick wall tubes, and billet steel flanges (new-style Big Bearing/Torino). The pinion is offset 1/2 in. and the axle flange is offset 2 1/2 in. Ridetech stock housing and axle packages are offered in two axle lengths and available raw or with a black powdercoat finish. Select the proper length and preferred finish for your project. Features and benefits: * Webbed center section with internal gusseting for added strength * 3 in. diameter, 1/4 in. thick wall tubes * 31-spline heat-treated 1541H custom alloy axles * High-quality Timken tapered bearings on axle as standard * Drain plug and jack pad * High-quality Grade 8 installation hardware--housing studs, T-bolts, nuts, and washers * 3rd member studs are pre-installed and ready to accept a third member

Not Yet Reviewed

$2,175.00

$2,275.00

On Sale

Spicer Drivetrain Products Ultimate Dana 44 AdvanTEK Crate Axle Assemblies

Spicer Driveline Ultimate Dana 44 AdvanTEK crate axle assemblies offer increased strength and durability in every facet—from thicker bracket mounts to upgraded materials to beefier housing tubes. Strength, versatility, bolt-in convenience, and a rock-solid history: it all comes together harmoniously in the Ultimate Dana 44 AdvanTEK crate axle assemblies from Spicer Driveline. Order the model with the ring and pinion ratio needed for your application. Spicer Ultimate Dana 44 AdvanTEK advantages: * Aggressive nodular iron differential cover * Heat-treated high-grade SAE-4340 chromoly steel axle shaft offers superior abrasion resistance and strength, as well as uniform surface * Thicker steel bracket mounts * Upgraded U-joints outperform the competition, with Nm load ratings of 3000 (1350 Series) and 3600 (1400 Series) * Thicker tubes for added strength * Custom high-clearance housing is designed to optimize extreme off-road performance * Expanded gear ratio options to accommodate different tire sizes * Genuine Spicer AdvanTEK ring and pinion gears for greater strength * Track width is identical to OE track width * No FAD (front axle disconnect) means increased strength * Selectable E-Locker

Not Yet Reviewed

$5,699.99


$5,129.99

Summit Bucks

ACDelco GM Genuine Parts Differential Carrier Assemblies

ACDelco GM Genuine Parts differential carrier assemblies are the recommended replacements for your Chevrolet, Buick, GMC, or Cadillac vehicle. They are designed, engineered, and tested to rigorous standards, and are backed by General Motors. These are the true OE parts installed during the production of your GM vehicle, so you can trust the fit and performance will match that of the original carrier assembly.

5.0 out of 5 stars ( 3 )

$2,392.99

$2,990.99

Moser Engineering Ford 9 in. Third Member Assemblies

Moser Engineering Ford 9 in. third member assemblies are designed to help you get that horsepower to the ground. They include your choice of an aluminum, nodular iron, or stock center section, as well as a differential, an axle spline, a U-joint style yoke, pinion support, and gear ratio. Whether you're assembling a daily driver, street rod, or race car, these Moser third member assembly packages will provide the durability that your vehicle deserves.

5.0 out of 5 stars ( 11 )

$2,005.00

$2,677.00

Motive Gear Ring and Pinion Gear and Installation Kit Combos

Want to get back the power and gas mileage that you lost from installing those big tires on your Jeep? Motive Gear makes it easy to re-gear your 4x4 with their ring and pinion gear and installation kit combos. These complete kit combos include front and rear ring and pinion sets, plus front and rear bearing kits, giving you everything you need to re-gear the front and rear differentials in one package. The kits come in a wide range of ratios for most Dana applications. Their quality is the result of years of development, outstanding design, and state-of-the-art manufacturing methods to ensure a perfect fit for an easy install.

4.75 out of 5 stars ( 8 )

$2,035.99

$3,139.99

Currie 44 Crate Axles

Currie crate axles deliver unrivaled strength, along with trail-tested, field-proven design. Their Currie 44 axles are complete pre-configured packages, for both front and rear applications, with direct bolt-in simplicity designed for heavy off-road use with up to 37 in. tall tires. They feature reinforced nodular iron center sections, heavy-duty 3 in. axle tubes, and heavy forged knuckles (front only), that prepare your rig for adventure. And their use retains the stock axle width, as well as the factory 5 x 5 in. wheel lug pattern, so you can keep those great new wheels you already purchased. Upgrade strength, reliability, and functionality without busting your budget; replace your stock axles with Currie 44 crate axles.

5.0 out of 5 stars ( 1 )

$5,350.00

TeraFlex Tera44 HD Axle Assemblies

TeraFlex Tera44 HD axle housings include front inner axle shafts and TeraFlex HD ball joints, with or without an ARB air locker and a choice of pre-installed ring and pinion gears. They are the perfect replacements for some Jeeps and the ideal upgrade for others. Transfer your existing outer components (stub shafts, unit bearings, knuckle assembly, brakes, sensors) to the new housing to beef up your Jeep with TearFlex Tera44 HD front axle assemblies. Features: * 3.25 in. x 0.5 in. axle tube * UV-protected triple-stage powdercoat for corrosion resistance * 1/4 in. thick CNC laser-cut axle brackets for extreme strength * HD forged inner knuckles * 5 x 5 in. wheel bolt pattern * Eliminates center axle disconnect * 1-Year/Unlimited Mileage Warranty

Not Yet Reviewed

$3,599.99

$4,794.99

RideTech 1958 Chevrolet Air Suspension Systems

RideTech 1958 Chevrolet air suspension systems are specifically designed for the 1958 Chevy B-body cars (including the Impala, Del Ray, Bel Air, Biscayne, Brookwood, and Nomad). They include everything needed to provide a lowered stance with dramatically improved handling and ride quality. These kits contain front upper and lower StrongArms, front and rear MuscleBars, plus front and rear HQ Series coilovers. Enjoy the benefits of buying a complete system that takes all of the guesswork out of your suspension upgrade. Features, items, and specs: * Must be used with 1959-64 stock spindles and disc brakes * Black powdercoated upper StrongArms feature corrected ball joint angles, and are fully assembled with ball joints, bushing, and cross shafts * Upper ball joints moved back to allow for additional caster setting (improves high speed stability and steering feel) * Black powdercoated lower StrongArms feature a double sheer lower mount for increased strength, and are fully assembled with ball joints, bushing, and cross shafts * HQ Series shocks allow fine-tuning and deliver excellent ride quality and handling with a 1,000,0001-mile warranty (rebound knob located on top of shock for underhood access) * CoolTide system using Firestone air springs * Front MuscleBar helps reduce body roll and creates room for wider front tires (includes PosiLink endlinks that provide immediate engagement between chassis and control arms) * Rear MuscleBar * Rear StrongArms provide added strength to help get the power to the pavement (includes a tubular upper wishbone specific to the 1958 model year)

Not Yet Reviewed

$4,680.00

RCV Ultimate 300M Rear Axles

RCV Ultimate 300M rear axles are available for a variety of applications, including many Jeep and Toyota vehicles from 1990 and up. Here are details for each model: * Model RCV-RAP-JL-32: These rear axles replace your stock 32-spline Jeep JL's weak Dana 44 (OE refers to it as the M220) axle shafts with a high-strength 300M design. Tests prove Ultimate CV Axles to be twice as strong as OEM Jeep JL shafts. Even if you have big tires and big power there are no worries. Axle set includes right and left rear axle shafts. Dual bolt pattern threaded flanges support the stock 5x5 in. bolt patterns in addition to 5x5.5 in. for hub upgraded vehicles. Axles come fully dressed with all the necessary bearings, seals, retainers and studs to complete the package. Black oxide coating is standard. * Model RCV-S0056: This Ultimate 300M Toyota FJ80 rear full float axle set is designed to work with all differential types (OE open carrier, aftermarket lockers, and OE electric locker). They feature an updated shaft design to aid in known OE electric locker issues (with axle twist). The sets can be used with OE std, cable lockers, electric lockers, or other aftermarket locking diffs. Each kit includes a pair of rear 300M axle shafts, drive flanges, dust covers, bolt kit, pins, and snap rings. Fitment: Toyota Land Cruiser FJ80, FZJ80, HZJ80, HDJ80, HDJ81 (all years).

Not Yet Reviewed

$2,549.95

On Sale

Trail-Gear Assembled Super Finish Third Members

Trail-Gear assembled Super Finish third members are made from tool-grade 8620 steel and heat-treated for maximum strength and wear resistance. They include all new parts and are ready to drop into your axle with top-quality Super Finish 29-spline ring and pinion gears, and your choice of locker. The ring and pinion gears are treated with the REM Isotropic Super Finishing (ISF) process, which removes the microscopic peaks in the material and creates a surface on the ring and pinion gears with a roughness of less than 10 µin Ra. This means that there is less friction between the gears, reducing wear by 95 percent, and allowing the gears and bearings to run cooler and last longer. Select the ideal kit for your application. Additional features and benefits: * Fully built Super Finish 3rd members--all new parts--no used housings or internal components * 29-spline pinion spline is 7 percent larger in diameter than the 27-spline for increased strength * Available in 4.88 and 5.29 ratios for 4-cylinder, V6, and high-pinion applications * Gear teeth are cut using Gleason CNC hobbing machines and cutters * No break-in period * Non-directional surface that increases lubricant retention on the gear surface, reducing lubrication requirements * Dust shield pre-installed onto flange * High-pinion sets also include a high-pinion oil slinger * V6 units feature larger OEM-style V6 gear sets with a longer pinion gear * Trail-Safe pinon seal and nut included * Flange is quadruple drilled with popular Pickup/4Runner and Tacoma patterns: -- 66mm x 66mm x 11mm (Tacoma) -- 60mm x 60mm x 10mm (Pickup/4Runner and TG heavy-duty driveline) -- 60mm x 68.3mm x 10mm -- 61.5mm x 70mm x 10mm Notes: * Requires ring and pinion setup kit to complete the installation into your existing differential housing * For Toyota 8 in. solid axles only. Will not fit 7.5 in. IFS front axles.

Not Yet Reviewed

$2,215.52

$2,987.69


$2,038.28

$2,586.54

On Sale

Trail-Gear Rock Assault 9 Rear Roller Kits

Get your rig ready to rock on! Trail-Gear Rock Assault 9 rear roller kits are built with the strength to climb boulders and blaze trails—at prices that are hard to beat. The kits are available with a choice a tubing sizes. Start or upgrade your build with Trail-Gear Rock Assault 9 kits. Kits include: * Rock Assault 9 axle housing * Unit hubs (lug nuts included) * Unit bearing pockets * Rock Assault 9 billet aluminum seal housing kit * Rock Assault 9 fully loaded brake kit

Not Yet Reviewed

$2,699.99


$2,375.99

$2,899.99

ATP Remanufactured Differential Assemblies

Your best alternative to bench rebuilding is one of these ATP fully remanufactured differential assemblies. For GM vehicles with 8.25 front axles, for instance, new units are no longer available from GM—so ATP delivers a genuine solution. These no-core systems also relieve you of the inconvenience of returning the old part. They're available for either automatic or manual transmission applications.

4.5 out of 5 stars ( 2 )

$2,299.99

Yukon Gear & Axle Ring and Pinion Gear and Differential Combos

Yukon Gear & Axle ring and pinion and differential combos save time and money by including everything you need in one simple part number. Pro Kits feature a premium Yukon ring and pinion gear set, Yukon Master install kit with high-quality Timken bearings, and required small parts to get vehicles back on the road quickly. The gear and install kits include axle bearings and seals. Many of these combo kits include Dura Grip differentials, depending on application. Order the Yukon Gear & Axle ring and pinion gear and differential combo designed to fit your application.

4.5 out of 5 stars ( 4 )

$2,087.99

$2,966.99

Ford Performance Parts Bronco Axle Assemblies

Ford Performance Parts Bronco axle assemblies are designed with the latest technology and capability of any axles on the market. Engineered for the new Ford Broncos to not perform on-road, but provide superior strength and durability off-roading as well. Ford Performance Parts Bronco axle assemblies are offered for front or rear positions, available in a variety of gear ratios.

Not Yet Reviewed

$2,206.99

$2,826.99

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