Availability
Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground conditions warrant. These replacement units are available for dozens of axle applications.
( 487 )
$634.99
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$987.99
Big torque doesn't have to mean big traction problems. Eaton Posi Performance differentials combine carbon friction discs with precision-forged gears to give you great traction, even under higher torque loads. Plus, the carbon friction discs produce smooth, quiet performance for the life of your vehicle.
( 102 )
$609.99
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$947.99
Spicer Drivetrain Products Life Series U-joints consistently outperform the rest, so you can hit the road or trail with confidence. Cold-forged from high-quality steel, these SPL universal joints feature synthetic thrust washers, multi-lip seals, and the choice of greaseable or non-greaseable. Get the most out of your rig with Spicer Life Series U-joints. Order the replacement model designed to fit your vehicle.
( 111 )
$25.99
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$93.99
Spicer Drivetrain Products light-duty U-joints feature journal crosses that are manufactured from high-quality alloy forgings and heat-treated for maximum life. The bearing cups are case-hardened for strength and durability, while the seals are crafted from nitrile rubber for optimum grease retention and contaminant exclusion. Ample grease reservoirs in each trunnion assure effective lubrication; they're pre-filled with high-quality synthetic lithium grease, providing superior friction-reduction and resistance to higher temperatures. These replacement universal joints are available for dozens of positions, in greasable and non-greasable styles. Order the model designed to fit with your vehicle and engine type.
( 149 )
$16.99
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$59.99
Inland Empire Driveline super strength bearing supports are manufactured from 7075-T6 aluminum and are designed to withstand the stress of high horsepower drivetrains. They feature a polyurethane cushion that absorbs the shock of high torque acceleration and help to deliver power in a smooth manner under extreme conditions.
( 29 )
$171.77
Eaton Detroit lockers are designed to maximize traction by delivering 100 percent of the torque and power to both drive wheels. They are engineered to keep both wheels in a constant drive mode and have the ability to automatically allow wheel speed differentiation when required.
( 80 )
$713.99
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$1,117.99
Moog Premium U-joints are precision-manufactured to exacting standards. They have forged and case-hardened alloy steel crosses and heat-treated needle bearings. Cold-formed radial bearing cups provide 360 degree lubrication distribution, while superior-quality seals, and a grease fitting in the cross body make for easy maintenance. The U-joints are available for nearly two dozen positions, in universal and vehicle-specific applications.
( 210 )
$13.99
Motive Gear Ten Factory replacement axle shafts are available for direct fitment on nearly two dozen axle models and hundreds of vehicle applications. Built from quality materials and heat-treated for strength and durability, Ten Factory axle shafts are offered individually to swap out a broken or worn original—as well as in more complete kits, with multiple shafts, wheel studs, bearings, and seals (depending on your selection). The components feature strong forgings and alloys for quality axle shafts you can rely on. Choose the parts needed for your specific make and model.
( 134 )
$117.99
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$1,622.99
Get a perfect fit and dependable performance with Richmond Gear EXCel OEM replacement axle shafts. They are made from top-quality steel and are available for a very wide range of applications.
( 117 )
$141.99
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$363.99
Perfection Clutch offers OE replacement flywheels for applications spanning a half-century. Machined from ductile iron, the flywheels are available in a variety of styles, sizes, and tooth counts. Flywheels serve three purposes: First, to maintain a rotating mass (inertia) to assist the engine rotation, providing a more consistent delivery of torque during running. Second, to provide a ring gear for the starter motor to engage on. And third, to provide one of the driving friction surfaces for the friction disc. Over a hundred models are available; select the replacement recommended for your vehicle.
( 51 )
$93.99
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$133.99
These National Bearing wheel bearings are designed for use with your OEM or aftermarket brake rotors. Their steel roller bearing configuration allows for maximum performance without sacrificing durability.
( 23 )
$8.99
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$84.99
Hays Classic clutch kits are the original Hays clutch! These conversion kits are the newest 26-spline version in the Hays clutch lineup, and are designed to work in conjunction with a modern 5-speed or 6-speed transmission swap. They feature an organic disc with an upgraded pressure plate for increased holding power over stock. They're designed for stock cars and trucks, or ones with minor performance bolt-ons, such as headers, intake, and exhaust. For clutch kits that are street-friendly, smooth, and reliable, consider the Hays Classic line of clutches—they're a great choice for your favorite muscle car, Jeep, or truck! Order the kit recommended for your vehicle application. Hays Classic conversion clutch kit features: * Includes 26-spline clutch disc for use with most 5-speed and 6-speed conversions * Steel back clutch disc features heavy-duty hub spring assembly for increased load capacity * Great drivability for power levels up to 400 hp * Clutch kit is painted signature Hays Classic orange color * Smooth, chatter-free operation using top quality organic composite friction surface material * Upgraded pressure plate gives you increased holding capacity over a stock clutch * Clutch kits come complete with pressure plate, disc, release bearing, and alignment tool (unless otherwise noted)
( 1 )
$499.95
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$515.95
SKF axle bearings are available for a wide range of applications, designs, series, and sizes. They incorporate logarithmic roller raceway profiles with an ultra-smooth surface finish for quiet operation. SKF axle bearings are designed and manufactured to the highest quality standards, ensuring long life and safety. These components meet or exceed requirements for most applications. For more than 100 years, the world's engineers, technicians, and mechanics have turned to SKF products for the best possible solutions.
( 5 )
$9.99
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$98.99
Moog Super Strength U-joints are precision-manufactured to exacting standards. They have forged and case-hardened alloy steel crosses and heat-treated needle bearings. Cold-formed radial bearing cups provide 360 degree lubrication distribution, while superior-quality seals and a grease fitting make for easy maintenance. In addition, the Super Strength U-joints have an exclusive microshield coating to protect against rust and corrosion. They are available in greasable and non-greasable styles for more than a dozen positions--in universal and vehicle-specific applications.
( 224 )
$16.99
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$17.99
On Sale
Hays Street 450 clutch conversion kits are an excellent upgrade offering up to 30 percent more holding power (clamping force) over your stock clutch. They're designed for handling stock to mildly modified engines—up to 450 horsepower. If drivability along with a stock pedal feel are the leading factors for your application, then order the Hays Street 450 clutch conversion kit recommended for your specific vehicle and engine size. Features, items, and specs: * Smooth, chatter-free operation using top quality organic composite friction surface material * Upgraded damper springs * Pressure plate * Clutch disc * Throwout bearing * Alignment tool * Instructions
( 8 )
$475.95
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$570.95
Silver Sport 621 manual transmission bellhousings are a good match for your street or trip transmission. Re-engineered by SST, these aluminum 621 GM reproductions feature CNC-machined, thick wall titanium-aluminum alloy construction for Chevy engines with 168-tooth flywheels.
( 1 )
$319.95
Yukon Gear & Axle Dura Grip positraction carriers offer great traction and strength, and yet are not overly aggressive for the streets. These nodular iron or steel replacements are 4-spring, Raybestos composite, clutch-style, limited-slip carriers—with internal gears machined from forged 4320 steel with stronger teeth. Assembled in the USA, the Yukon differential carriers are rebuildable, allowing for repairs or modifications without buying a new unit. They're available for fitment with nearly two dozen axle models. What are you using to transfer power? Choose smooth operation with strong lockup abilities to transfer torque—benchmarks of the Yukon Gear & Axle Dura Grip positraction carriers.
( 130 )
$554.99
Dorman driveshafts are designed to replace your factory originals with no modifications. They are manufactured from quality materials and have the stock connections for an easy bolt-in fit. The driveshafts are available in various lengths, diameters, and materials for many auto, truck, and SUV applications.
( 312 )
$214.99
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$971.99
Spicer Drivetrain Products Life Series Plus U-joints will provide premium performance in the most demanding environments. Building on the superior design, lubrication, and sealing package of Spicer Life Series (SPL) U-joints, the SPL Plus u-joints feature upgraded grease, seal, seal guard, and spacer material. Features of Spicer SPL Plus U-joints: * Extended U-joint life--journal cross engineered with a cold-formed body to ensure better wear and overall strength * Bearing cups are heat-treated for strength, precision-ground, and case-hardened for durability * Multi-lip seal keeps grease in and contaminants out with enhanced seal and seal guard materials and offers maximum retention in a wider range of environments * Thrust washer eliminates friction, end galling, and metal-to-metal contact * Enhanced with synthetic grease--upgraded green synthetic grease significantly improves minimum and maximum temperature capabilities and increases bearing life
( 2 )
$34.99
USA Standard manual transmission bearing kits include top-quality components to rebuild the bearings in your transmission. They're great for replacing worn out or broken items--even just giving your transmission a quick update, while you're down in the off-season.
( 9 )
$103.89
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$382.89
Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicles. Their gear sets are made from first-run steel, they never use recycled metal. This allows Motive Gear Performance ring and pinions to handle the extreme torque from high-horsepower racing engines. Extensive engineering, computer-controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios, makes Motive Gear Performance ring and pinions the clear winner! Engineered to the highest standards, every Motive Gear Performance product goes through rigid quality control processes in their in-house lab. Motive Gear Performance also offers a lightweight alternative to standard ring and pinion gear sets. Their AX Series ring and pinions are designed to increase horsepower and efficiency by removing rotating weight. Professional race teams have used custom-lightened drivetrain parts for years, resulting in faster times and more wins. The AX Series gears from Motive are lightened during the manufacturing process; this results in gear sets that have been engineered, not modified. Computer-controlled heat treatment, index tooth spacing, and CNC machining all go into AX Series performance gear sets. Motive Gear Performance: What the pros run!
( 195 )
$325.99
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$670.99
These National Bearing throwout bearings are designed to match OEM specifications. They feature premium-grade steel for outstanding durability and performance, as well as quiet operation. If you're looking for replacement throwout bearings, National Bearing has what you need.
( 7 )
$33.99
Big power and lots of traction can twist your stock driveshaft into pieces, so replace it with something better, such as these Inland Empire Driveline high-strength driveshaft assemblies. These 3 in. diameter tubes are custom-drawn for consistent strength. Their forged yokes are welded on using state-of-the-art processes for improved reliability. They're accepted for use in most NHRA and all IHRA classes.
( 21 )
$502.84
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$551.65
Dorman transmission case vents offer OE operation and fit. You'll keep your vehicle on the road longer for less when you restore proper transmission ventilation. When excess case pressure is prevented, the transmission is protected against fluid leaks.
( 12 )
$2.99
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