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Transmission & Drivetrain

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McLeod RST Street Twin Clutch Kits

Intended for high-horsepower street fans, the McLeod RST Street Twin clutch kits are economically priced twin disc clutches that use your existing flywheel. Able to handle up to 800 hp, the RST Street Twin clutches remain completely street-drivable. The organic lined clutch discs provide smooth engagement with a soft pedal effort, making these clutch kits ideal for the street performance enthusiast. (For select vehicles where these clutches are not adaptable to your existing flywheel, a new flywheel is included in the kit.) Here are some additional features of the McLeod RST Street Twin clutch kits: * Alignment tool included * Lighter-than-stock pedal feel * Will bolt to factory flywheel * CNC-machined and anodized flywheel adapter ring * Organic disc facing for smooth and even clutch engagement with excellent release qualities * Low rotating mass for quick revs * Blanchard ground floater with multiple straps to reduce noise for streetability

4.47 out of 5 stars ( 81 )

$1,175.00

$1,695.00

South Bend Clutch Dyna Max Organic Clutch Kits

South Bend Clutch Dyna Max organic clutch kits are manufactured with performance organic friction material. Designed to provide smooth clutch engagement, these Dyna Max organic clutch kits include the necessary parts you need to do the job—and many kits include Kevlar® pilot bushings. The kits are available for a variety of clutch styles and applications and may come with or without a flywheel. Select the kit to fit your application needs.

4.7 out of 5 stars ( 98 )

$1,044.49

$1,421.66

Currie 9 in. Third Members

Currie 9-inch third members are designed to fit Ford 9-inch applications. The case is made from nodular iron and installed is a Currie TwinTrac® posi differential in 31 spline, or Eaton TrueTrac differential in the 35 spline options. All Currie third members include a big bearing "Daytona" pinion support, are fully assembled, and delivered ready to install.

4.5 out of 5 stars ( 4 )

$1,400.00

South Bend Clutch Dyna Max Street Dual Disc Clutch Kits

South Bend Clutch Dyna Max street dual disc clutch kits are offered for a range of applications and setups. These clutch kits are made using high performance materials and include everything you need for your clutch installation. Many kits include Kevlar® pilot bushings. When it comes to street performance, you can count on South Bend for top-quality components.

4.83 out of 5 stars ( 78 )

$1,336.08

$1,811.57

McLeod RXT Street Twin Clutch Kits

McLeod RXT Street Twin clutch kits are ideal for the extreme horsepower enthusiast who wants performance and economy. Capable of handling up to 1,000 hp, the RXT Street Twin clutches are for those who've kicked it up another notch—but still require streetability. The ceramic facing on the clutch discs provides slightly aggressive engagement with a soft pedal effort, making these clutches suitable for most street performance enthusiasts. Match your vehicle specs to the correct model from McLeod. Additional features include: * Alignment tool * Lighter-than-stock pedal feel * Available with dedicated flywheel or adapter ring for factory flywheel * CNC-machined and anodized flywheel adapter ring * Smooth engagement with excellent release qualities * Ceramic facings on disc increase holding power over similar organic linings * Low rotating mass for quick revs * Blanchard ground floater with multiple straps to reduce noise for streetability

4.67 out of 5 stars ( 46 )

$1,169.99

$1,695.00

Valair Performance Quiet Street Dual Disc Clutch Kits

Diesel trucks are designed for towing heavy loads. If your rig is running 500 to 650 hp, then Valair Performance Quiet Street Dual Disc clutch kits are the way to tow. They feature tough heavy-duty parts, strong pressure plates, and a nodular iron flywheel. These kits are not intended for racing or competition use. Quiet clutch kits eliminate floater plate rattle when the clutch is pressed in, but gear rollover noise is inevitable when changing to a solid mass flywheel. It's often heard when the vehicle is under load at low rpm or idling, and it sounds like marbles in the transmission. Please educate yourself before purchase. Towing is tough on your vehicle—keep the pressure high and the shifts solid with a Valair Performance Quiet Street Dual Disc clutch kit, available for a variety of specific transmission applications.

4.56 out of 5 stars ( 9 )

$1,631.58

FTI Performance SRL Series Billet Lockup Torque Converters

FTI Performance SRL Series billet lockup torque converters feature a computer-designed, CNC-machined billet front cover and a billet lockup piston--making premature clutch wear a thing of the past. With custom stator designs and multiple blade angle pumps, stalls are available from 2,800-4,400 rpm. They are custom-built to your exact needs and driving style. With furnace-brazed and heli-welded fins, severe-duty sprague, and anti-ballooning flanged impeller hub, these torque converters are virtually indestructible.

4.25 out of 5 stars ( 16 )

$1,059.00

$1,099.00

Eaton Detroit Truetrac Differentials

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.

4.79 out of 5 stars ( 491 )

$1,013.99

$1,213.99

Summit Racing™ Cummins to GM Bellhousing Adapters

Summit Racing™ Cummins to GM bellhousing adapters can facilitate a swap for your GM truck or SUV. Our kits include a billet aluminum adapter plate that's less than 2 in. thick and a steel flywheel. And, unlike OEM adapters, these allow your engine and transmission to be placed straight—not at an angle. They're available for different transmission models. When you want a clean install that's easy and will save you some room, Summit Racing™ Cummins to GM bellhousing adapters are the right choice.

3.94 out of 5 stars ( 16 )

$1,133.99

FTI Performance SRL-3 Series Billet Triple Clutch Torque Converters

FTI Performance SRL-3 Series billet triple clutch torque converters are designed for engines with some serious power! They're engineered to be locked up under full throttle and can withstand some abuse. The billet lockup piston, triple bearings, and anti-ballooning impeller hub are designed to get the job done. These converters are available in different stall torque ratios and stall ratings to match your engine and transmission combination.

4.2 out of 5 stars ( 5 )

$1,299.00

$1,429.00

South Bend Clutch Dyna Max Organic Feramic Clutch Kits

South Bend Clutch Dyna Max organic feramic clutch kits are manufactured with performance organic and feramic friction materials, which provide moderate clutch engagement. The Dyna Max organic clutch feramic kits by South Bend Clutch are durable and reliable. They come with the necessary parts you need to do the job—and many kits include Kevlar® pilot bushings. These kits are available for a variety of clutch styles and applications, with or without the flywheels. Select the kit best suited for your application needs.

4.91 out of 5 stars ( 22 )

$1,059.73

$1,478.04

RevMax Billet High Performance Towing/HD Valve Bodies

RevMax billet high performance towing/HD valve bodies for a variety of applications, including many Dodge and Ram trucks from the early 2000s and up. The V2.0 is 1 in. thick, but this new version has precision cutouts that allow the use of a stock filter and pan. Unlike other designs, full depth worm tracks in crucial circuits are included. Other competing designs have only a .190 in. deep worm track in several critical circuits. One restricted circuit is the combined vent track, responsible for all venting operations and in particular the problematic SSV valve. The next restricted circuit is the torque converter clutch signal circuit. Restrictions in this circuit create all kinds of torque converter related concerns, including dragging when coming to a stop, overheating, soft or harsh TCC apply or release, and back feed issues resulting in P1776 and P0871 trouble codes. Both the original and V2.0 have nearly full depth worm tracks in these areas which eliminate problem issues! The V2.0 plate will work with ANY aftermarket transmission pan, as well as with stock transmission pans. There is no need to alter any part of the pan or use special filters. Just install it like you would a stock channel plate and go. Order the model recommended for your year/make and transmission application. The RevMax 68RFE V2.0 ZeroFlex billet valve body features the following: * 6061 billet aluminum construction * Deep critical worm tracks * .0003 flatness across the entire plate. The only truly flat billet channel plate! * Micro-polished worm track surface. There are no visible or perceptible machining marks or stepovers. This ensures no chance of any leaking due to machining marks * Large radius machining on the filter cutout increases rigidity yet allows the use of a stock filter assembly * Angle milled step downs increase rigidity in problematic flexing areas * Ability to run up to 325 psi of line pressure without any warpage! (transmission tuning, TCM upgrade or pressure box is needed) * No pump modifications required for up to 250 psi * Proprietary worm track layout * Shortened shift times for crisp, clean shifts * Upgraded valve body to case seals * Billet steel SSV solenoid switch valve and end plugs * Revmax triple double 3/2 billet accumulator pistons with dual seals * Upgraded grade 8 custom fasteners * Upgraded steel accumulator housing plate that is 3x thicker than stock * RevMax proprietary accumulator springs for improved 3-4 shift feel * RevMax proprietary separator plate with the bonded gasket that eliminates cross leaks and warpage issues * Revmax proprietary upgrades * Mounting surface verified and flat filed * Threads checked and repaired if needed * Computerized testing on state-of-the-art $125k valve body test machines

5.0 out of 5 stars ( 2 )

$1,299.00

Valair Performance Street Dual Disc Clutch Kits

Valair Performance Street Dual Disc clutch kits are designed for the street warrior who occasionally tows lighter loads (like a ski boat)—or the heavy towing rig with up to 550 hp. These two distinctive kit styles are each constructed from high-quality parts for excellent service. Dual discs have a wider range and greater holding power than singles, yet with similar driving characteristics. Street Dual disc kits come complete with important items like a new flywheel, pressure plate, and throwout bearing. Models are available for specific vehicle applications from the 1990s and up. Put extra power to the ground with a Valair Performance Street Dual Disc clutch kit.

3.71 out of 5 stars ( 7 )

$1,111.11

$1,397.66

On Sale

QuickTime Bellhousings

QuickTime bellhousings for Circle Track, strip, and street applications are built from high-grade steel. The cone is spun, not rolled or stamped, allowing these bellhousings to be the most dimensionally stable and accurate for today's high performance vehicles offering proven performance. Choose the size and specs needed for fitment on your particular vehicle, then bridge your transmission and engine with a QuickTime bellhousing.

4.49 out of 5 stars ( 103 )

$1,949.95


$1,033.95

$1,649.95

Ford Performance Parts 8.8 in. IRS Loaded Differential Housings

Ford Performance Parts 8.8 in. IRS loaded differential housings are improvements to the rear axle of your Mustang. Whether you're replacing the original in your manual or strengthening the cast aluminum model in your automatic, there's nothing better than Ford Performance differential housings to do the job perfectly. Besides, who knows your Mustang better than the maker? These 8.8 in. IRS housings are fully loaded with forged, and CNC-cut gear sets installed. They feature strong cast iron topped with an aluminum differential cover, and, depending on the application chosen, a Torsen or Traction-Lok differential is included. If your automatic sees a lot of track time or your manual has a broken housing, your only choice should be genuine Ford Performance 8.8 in. IRS loaded differential housings.

3.0 out of 5 stars ( 3 )

$1,189.99

TCI Breakaway Torque Converters

These TCI Breakaway torque converters will give you about 1,000 more rpm stall speed than stock, so you'll launch and accelerate faster. TCI remanufactures them to last with furnace-brazed fins, needle bearings, and a flame-hardened hub--the same qualities that they gave their street/strip converter.

4.12 out of 5 stars ( 106 )

$1,351.95

Eaton Electronic ELocker Differentials

Eaton electronic ELocker differentials offer you the best of both worlds. Imagine having the comfort and convenience of an open differential for around town—and the powerful traction of a full-on locker when it's necessary. This is exactly what the Eaton ELockers provide. With the push of a dash-mounted button, you decide when the differential should be fully locked for maximum traction to both wheels, or free to differentiate for the best fuel mileage and tire tread life. Whether you're running a 2WD or 4WD, open or locked, the Eaton ELockers put the driver in total control! Order the carrier designed for your axle model.

4.0 out of 5 stars ( 12 )

$1,393.99

$1,607.99

ACT Heavy-Duty Clutch Kits

ACT heavy-duty clutch kits offer a clamp load increase of 20 to 50 percent over OEM, significantly increasing torque capacity. The pedal feel with these clutches varies from stock to a moderate increase. Available for street and race applications, many are SFI-certified to ensure safety.

4.54 out of 5 stars ( 87 )

$1,006.00

$1,557.00

McLeod RXT 1200 Clutch Kits

Intended for the high horsepower street/strip fan, McLeod RXT 1200 twin disc clutch kits are able to handle 1,200 crank horsepower. With a higher clamp load than standard RXT twin disc clutch kits, RXT 1200 clutch kits can handle almost any horsepower you can throw at them and still remain streetable. Ceramic-lined clutch discs provide smooth engagement with a stock-like pedal feel to make them ideal for the street performance enthusiast. A flat-style flywheel with a crank relief of 6.250 in. diameter or less is required for proper fitment.

5.0 out of 5 stars ( 12 )

$1,295.00

$1,695.00

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.

Not Yet Reviewed

$1,399.95

$1,499.95

Chevrolet Performance SuperMatic Torque Converters

Chevrolet Performance SuperMatic torque converters are tailored for performance. Designed for their crate engines and transmissions, these torque converters are built to match the power outputs of the engines and to help ensure optimal performance of your powertrain system. Your project is different than the next guys but Chevrolet Performance SuperMatic torque converters bring together your application for durable factory-engineered performance that will have you cruising in no time! Features include: * Steel billet front cover * Custom stator * Fully furnace-brazed pump and turbine * Heavy-duty lock-up clutch * Internal components static balanced * Fully vector balanced as an assembly

5.0 out of 5 stars ( 1 )

$1,127.36

$1,293.82

Eaton Detroit Lockers

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.

4.96 out of 5 stars ( 80 )

$1,045.99

$1,198.99

Currie 9 in. Rear-End Housing Assemblies

Direct-fit Currie 9 in. rear-end axle housing assemblies have OE mounting points designed specifically for your application. This means that you won't have to spend hours cutting and welding in order to install them. These assemblies are available with disc or drum brakes, axles, bearings, and seals--everything you need to upgrade your rear-end, courtesy of Currie Enterprises.

5.0 out of 5 stars ( 7 )

$1,350.00

$1,550.00

McLeod Street Twin Clutch Kits

McLeod Street Twin clutch kits are designed to be high performance replacements for your OEM clutch. They include everything you need--a new disc, pressure plate, and your choice of a billet steel or billet aluminum flywheel. McLeod Street Twin clutch kits are pre-balanced to fit specific applications and include the correct alignment tool for installation.

4.25 out of 5 stars ( 4 )

$1,095.00

$1,599.00

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