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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.
( 492 )
$565.00
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$638.00
A higher-than-stock stall speed as delivered by these B&M Holeshot converters will provide several advantages and benefits to vehicles with modified engines. Many modifications, particularly big cams, tend to reduce low-end power and torque. These high-stall converters allow the engine to launch the car at higher rpm, where more torque is available. They're a very good choice for the typical street machine that is looking for better launch capability and more strength.
( 80 )
$549.95
Yukon Gear & Axle Grizzly lockers offer fierce power! These robust lockers are the ultimate mechanical locking differentials, replacing your entire carrier assembly. Yukon Grizzly lockers feature forged cases with 8620 internals and a patent-pending internal locking mechanism for maximum strength. Assembled in the USA, these lockers will provide 100 percent power to both your tires, while still allowing for disengagement while negotiating turns. Whether your application is for the street, off-road, or drag racing, Yukon Gear & Axle Grizzly lockers will have your rig roaring with performance.
( 22 )
$719.99
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 )
$656.99
Yukon Gear & Axle ring and pinion sets are strong but quiet performers. Designed to handle some of the harshest conditions, these sets utilize the latest design and manufacturing technologies to afford you a smooth running gear that's durable and easy to set up. Yukon ring and pinions are available in hundreds of size, ratio, and axle model options. Whether you're on the street, off-road, or at the track, you'll experience unrivaled power and gear performance. Order the model recommended for your application.
( 172 )
$506.99
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$545.99
Centerforce dual friction clutches generate up to a 90 percent increase in holding capacity over stock systems. These clutch-and-disc sets are designed for engines producing high horsepower and big torque outputs. Perfect for 4WD vehicles, all Centerforce clutch systems provide smooth engagement and light pedal pressure without compromising high performance.
( 303 )
$598.95
Crown Automotive stocks differential case kits that will keep your vehicle moving. They feature rugged steel construction and are available in a selection of assemblies with gear sets, or with shims, gaskets, and ring gear bolts—and many other choices in-between. Replace or build your needed power to keep those wheels turning with help from Crown differential case kits.
Not Yet Reviewed
$511.99
Motive Gear is the leading manufacturer of driveline products for just about any vehicle, whether it is a stock daily driver or a full-competition 4x4 or race car. They are proud to offer an unmatched selection of quality components engineered and manufactured for the vehicle and for the way it is driven. Motive Gear ring and pinion sets are engineered to meet or exceed OEM specifications at a price that won't break your budget. Their broad selection of ring and pinion ratios is available for just about every vehicle made from the 1940s through the present. All Motive Gear products meet strict quality standards through advanced manufacturing techniques and are backed by their strong warranty. Their in-house quality control lab utilizes state-of-the-art equipment to continuously check Motive Gear products for strength, tolerance, and hardness. Only after meeting stringent quality standards are Motive Gear products packaged and ready for delivery.
( 283 )
$515.99
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$555.99
RAM HDX clutch kits are ideal for vehicles that will see mild street and occasional track use. These performance minded clutch kits will provide more clamping pressure over a stock unit and can handle power levels up to 450 hp. All HDX kits feature an increased clamp load pressure plate while providing smooth clutch engagement with only a slight increase in pedal effort. The HDX clutch disc features RAM's premium organic facing material for optimum performance. Most RAM clutch discs utilize an 8-spring hub to maximize disc strength and durability. All kits include the pressure plate, clutch disc, alignment tool, and release bearing where applicable.
( 63 )
$523.02
Investing in TCI transmission pans ensures the longevity of your transmission. They offer a selection of designs, depths, materials, and finishes to keep your transmission cooler and your undercarriage looking good. Skip the pans of lesser quality doomed to warp and leak; choose the policy of lasting performance from TCI transmission pans. TCI cast aluminum pans feature: * Exterior cooling fins wick away and dissipate heat * Provides additional strength and rigidity to transmission case * Ensures long transmission service-life * Include all required accessories and hardware necessary for installation TCI Max-Cool aluminum pans feature: * Black powdercoated finish * Large fluid capacity reduces internal transmission temperature * Exterior cooling fins wick away and dissipate heat * Aircraft-quality aluminum construction for strength and durability * Magnetic drain plug TCI polished die-cast aluminum pans feature: * Thicker than stock pans * Finned and polished to a high luster * Stock depth to avoid ground clearance issues * Includes drain plug for simpler fluid and filter changes * Includes necessary gaskets, filters, and installation hardware TCI chrome-plated steel pans feature: * Stock depth is easy to install * Includes drain plugs * Thicker than stock for added durability * Chrome prevents rust and adds show quality looks
( 183 )
$500.95
Yukon Gear & Axle Power Lok positraction internals will help you get your car or truck back on the road and working the way it is supposed to. After years and miles of use and abuse, your differential is going to need to a rebuild in order to operate efficiently. Yukon offers these inclusive kits for the maintenance overhaul. To ensure a top-notch gear set that will last longer than stock, Yukon utilizes better materials and manufacturing techniques than original specifications.
Not Yet Reviewed
$536.99
Powertrax Grip Pro traction systems are the latest design in differential technology. They combine the smooth operation of a limited-slip differential, with the strength of a fully machined, forged steel case. Using 3x2 spiral gear engineering, the Powertrax Grip Pro delivers progressive and variable traction. Based on throttle input, you are in control of how much traction is applied. These differential systems are great for use where finesse is just as important as brutal traction. On the road or track, in the rain or snow, Grip Pro is a winner! The systems come fully assembled and there are no friction plates—so you can use any gear oil you like, including full synthetic and racing lube.
( 21 )
$784.99
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$815.99
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 )
$768.99
Spartan lockers are affordable, reliable traction. These USA Standard Gear Spartan lockers are mechanical lockers that fit into a standard differential carrier, replacing the open spider gears. They do not use thrust washers and have a revolutionary spring and pin design to make installation a snap! Spartan lockers feature high-nickel 9310 chromoly drivers and couplers for added strength. Give your vehicle great traction and save some cash. Drop in Spartan lockers for improved traction. They're available for a variety of makes and models spanning more than a half-century.
( 31 )
$719.99
Crown Automotive carries a full line of automotive on and off-road ring and pinion gears which are designed to meet original equipment specifications. Whether you're gearing your car for street, strip, or trail, choosing the proper gears will provide more torque to the wheels. Order the size and ratio for precise fitment with your particular axle setup.
( 2 )
$565.99
Crown Automotive ring and pinion gear and installation kit combos are complete with all the components needed to swap out your ring and pinion gears. Everything required for a gear replacement and/or upgrade is included—gaskets, seals, shims, bearings, and all necessary hardware. These convenient kits are available for a wide variety of submodels, with component ratios tailored to your specific vehicle. Crown quality combos offer great performance and the best bang for your maintenance buck!
Not Yet Reviewed
$638.99
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$743.99
Rugged steel driveshafts from Crown Automotive are the perfect fit for a wide range of Jeep models. Drivetrain components absorb a tremendous amount of wear and stress, as they're responsible for transmitting both torque and rotation in the drivetrain. Now you can reduce vibration from your driveline with OE-quality replacements for manual and automatic transmissions. Select the driveshaft that matches your particular year and submodel.
( 6 )
$504.99
South Bend Clutch Stage 2 Drag Race clutch kits are designed with racers in mind. They include a single mass SFI-approved flywheel with each kit—typically required for drag racing when the original design is dual mass. The heavy-duty pressure plate is modified for a puck-style disc with no cushion between the linings to keep the clutch pedal travel short and quick. These South Bend Clutch Stage 2 Drag Race clutch kits are recommended for drag racing, drifting, and limited street use. Order the kit that's recommended for your specific vehicle and engine size. Features, items, and specs include: * Graphite-impregnated ceramic friction material for exceptional durability, heat transfer, torque capacity, and reduced chatter * Puck-style disc reduces rotational mass and total drive surface area, while increasing psi on the surface of the friction material * Disc design minimizes inertia, accelerating the transfer of torque from the engine to the wheels * Meticulous processing and advanced packaging materials
Not Yet Reviewed
$549.58
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$633.95
South Bend Clutch Stage 2 Endurance clutch kits are recommended for daily and street use with an emphasis on rally and endurance racing. An SFI-approved single-mass flywheel is recommended for racing climate applications in order to achieve optimal performance (flywheel not included). Order the clutch kit recommended for your vehicle application. Features include: * Designed for the racing environment * Pressure plate is precision-balanced for vibration-free operation at high-rpm * Pressure plate fulcrum is altered for a positive disengagement and a quick shift * Disc is engineered with a dual-damped design to provide accurate control when accelerating through corners * Hybrid friction material with a full face Feramic (sintered iron) lining on the flywheel side and a high metal content organic lining on the pressure plate side * Engagement is positive, yet buffered due to the high graphite content unique to Feramic facings
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$512.51
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$570.12
RAM Powergrip clutch kits offer your vehicle the perfect blend of drivability and performance. This dual-purpose clutch kit will provide more clamping pressure over a stock unit and can handle power levels up to 550 hp. All Powergrip kits feature an increased clamp load pressure plate, providing crisp clutch engagement with only a slight increase in pedal effort. The Powergrip clutch disc features a combination dual-sided disc with RAM's premium organic facing material on one side and RAM's premium 900 series metallic facing material on the other side. This allows the Powergrip unit to deliver optimum street/strip performance. The RAM Powergrip discs also utilize an 8-spring hub to maximize disc strength and durability. All kits include the pressure plate, clutch disc, alignment tool, and release bearing where applicable.
( 52 )
$613.37
RAM Powergrip HD clutch kits are the ultimate kit for extreme street and track performance. This race inspired clutch kit will provide more clamping pressure over a stock unit and can handle power levels up to 650 hp. All Powergrip HD kits feature an increased clamp load pressure plate, providing crisp clutch engagement with only a slight increase in pedal effort. The Powergrip HD clutch disc features RAM's premium 900 series metallic facing material on both sides. This allows the Powergrip HD unit to deliver maximum grip in an extreme high-horsepower street or racetrack application. These RAM Powergrip discs also utilize an 8-spring hub to maximize disc strength and durability. All kits include the pressure plate, clutch disc, alignment tool, and release bearing where applicable.
( 23 )
$549.00
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$621.53
Yukon Gear & Axle Super Joint kits feature U-joints that will stand up to abuse and never let you down. Your off-road adventures can get a little crazy, and you need really good components to keep you travelin' over the terrain. Yukon Super Joints are forged from through-hardened 4340 chromoly and then titanium nitrite coated—creating U-joints with ultimate yield and tensile strength, plus an extremely hard surface! Some kits also include a nifty little grease gun and a tube of copper-based grease. Beef up your axle with the super strength of Yukon Gear & Axle Super Joint kits.
( 1 )
$772.99
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
( 6 )
$533.95
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