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TCI EZ-TCU automatic transmission controllers are fully configured right out of the box--no tuning is necessary. Simply install them with the included instructions and then start the systems by answering the simple setup wizard questions on the included hand-held unit. They're capable of real-time switchable calibrations, which allows for multiple setups. The multi-shift settings include a full manual mode for using bump or paddle shifters. The TCI EZ-TCU automatic transmission controllers allow for maximum electronic control over shift points, shift firmness, and shift speed. Self-diagnostics enable users of every skill level to fully utilize their capabilities. Be sure to match your particular transmission with the correct EZ-TCU controller, as some models are designed for pre-2009 applications ... and other models are for 2009 and later.
( 37 )
$1,025.95
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.
( 113 )
$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
Silver Sport EasyFit transmission kits are designed to be the perfect start to your TREMEC TKX installation. The kits are tailored with a vehicle-specific shifter position and components to make your installation easy and less costly. Features and specs: * STX Shifter--short throw shifter (depending on kit) * Transmission mount, reverse light harness, pilot bushing, and required hardware * 5-speed pattern shifter ball or 5-speed shift pattern console plate (depending on kit) * EDP coated, steel crossmember (depending on kit) * Gear ratios--2.87, 1.89, 1.28, 1.00, 0.68, 2.56R * 600 lb.-ft. torque rating * 26-spline count input shaft * Quality-tested with a 12-month factory warranty
( 3 )
$4,195.00
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 )
$9.99
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$85.99
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.
( 135 )
$87.50
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$1,419.99
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 )
$12.99
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
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
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$475.95
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$549.95
$427.95
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$493.95
Richmond Gear EXCel ring and pinion sets are manufactured to meet the exacting specifications required by Richmond Gear. The design, tooling, steel selection, and heat-treat recipes are all controlled by Richmond Gear to produce cost-alternative ring and pinion sets. The Richmond Gear EXCel ring and pinion sets offer exceptional value with better-than-OEM quality. Available in a wide variety of gear ratios, the Richmond Gear EXCel ring and pinion sets will give you maximum confidence in your differential.
( 140 )
$480.99
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 )
$17.99
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 )
$775.99
On Sale
Hays Street 650 clutch conversion kits are designed to handle highly modified engines up to 650 hp naturally aspirated (600 hp for forced induction and nitrous combinations). The new 26-spline versions work in conjunction with a modern 5- or 6-speed transmission swap. These are true street/strip clutches for spirited high performance driving or frequent track use. The high performance dual-friction disc utilized in the Street 650 has an upgraded spring hub with heavy-duty damper springs to handle greater shock loads versus a standard damper spring. The disc features a sintered metallic friction surface and an organic friction surface. It does a great job at dissipating heat and fighting the slippage found in ordinary discs, along with providing the smooth engagement characteristics of a street-style clutch. These conversion kits also provide an upgraded heavy-duty pressure plate to round out the performance clutch. The Street 650 is a great choice if you visit the track often. Order the model recommended for your vehicle application. Features and benefits: * Upgraded damper springs deliver up to 30 percent more clamping pressure than stock OE clutch * Dual-friction disc offers the best of both worlds—smooth engagement and excellent holding capacity * All Street 650 clutch kits come complete with pressure plate, disc, throwout bearing, and alignment tool
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$564.95
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$1,049.95
$367.95
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$943.95
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.
( 134 )
$582.00
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 )
$20.99
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$90.99
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!
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$296.93
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$659.98
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 )
$74.99
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$335.89
Richmond Gear is the leading manufacturer of professional-quality, high performance ring and pinion sets. The superior quality of these gear sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. Richmond also offers these gear sets in a lightened version for the weight-conscious enthusiast. Their lightened ring and pinion sets feature an outstanding rotating weight loss of up to 6 lbs., ground pinion threads for trouble-free installation, and a special heat treatment for improved strength.
( 308 )
$519.99
Yukon Gear & Axle 1541H alloy axles are part of their extensive line of general replacement and high performance axles for passenger car, truck, and SUV applications. They feature high-quality alloys and the latest in heat-treating technologies to provide strong axles for off-road, street, and track use. Direct-fit replacements are available for dozens of axle models associated with countless cars and trucks. Additional rear axle features include: * One-piece forged 1541H axles are 25 percent stronger than OE 1040/1050 axles * Full-floating axles available for select applications * Rolled splines provide 30 percent strength increase over cut splines * Larger spline upgrades available * 2-piece tapered axles available * Offered in many lengths * Wide variety of bolt patterns
( 156 )
$642.89
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$762.99
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
When you don't need a Super Joint, Yukon Gear & Axle also offers other U-joints—including standard, adapter, and lifetime models. But, even though they're not "super," all Yukon universal joints are tough enough to keep your shafts connected and spinning with awesome performance. Order the model designed for your application.
( 23 )
$32.99
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$107.99
Yukon Gear & Axle Mighty axle seals use the latest designs and manufacturing technologies to produce a precision fit, tight seal, and long life. Maybe your old seals are starting to wear or maybe you're replacing axles—both are a good time for new seals. Whatever the reason, order the Mighty seals from Yukon Gear & Axle designed to fit your application.
( 35 )
$6.99
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$105.99
These National Bearing automatic transmission selector shaft seals are designed to keep your transmission sealed up properly. They are manufactured from durable steel and have a rubber insert for a leak-free seal. The selector shaft seals are available to fit most automatic transmission models.
( 3 )
$6.99
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