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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.
( 502 )
$623.99
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$1,299.99
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
( 84 )
$1,295.00
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$1,495.00
Warn's premium manual hubs feature a no-compromise design for the hardcore off-roader or truck owner who will accept nothing less than the industry standard in performance. Their all-metal construction and ZA alloy dial ensure years of reliable functioning. The dial requires a full 9/10 of a turn to ensure positive engagement of the inner drive gear to the clutch ring. To make sure that they stay engaged, Warn premium hubs use a thick internal wave spring and heavy dial detents.
( 198 )
$544.99
An increasing number of vehicle manufacturers are using double clutch transmission technology, enabling comfortable gear changes without interruption of traction power, while at the same time reducing fuel consumption and CO2 emissions. Like almost every clutch, the double clutch can also wear out. However, replacement is not possible without special tools. This is because the double clutch is firmly meshed in the gearbox bell and must be removed together with the gearbox. LuK RepSet 2CT clutch kits offer a unique repair solution for dry and wet double clutches. With a LuK kit and the corresponding special tool, repair shops can repair double clutches quickly and professionally. Besides the double clutch, LuK RepSet 2CT kits contain all the precisely matched components in OEM quality which are necessary for the replacement of the respective double clutch system. These include guide sleeves, retaining rings, fixing screws and lever actuators, or engagement levers and engagement bearings. Features to note: * For dry and wet double clutches * Includes all parts needed for the repair * OE quality and perfectly coordinated * Safe mounting due to simple installation instructions * High-quality special tool for the perfect repair
( 14 )
$799.99
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.
( 18 )
$1,130.99
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$2,021.99
For serious performance, TCI machined SFI-approved flexplates are a "must have". These .140 in. thick flexplates are constructed of A514 Blanchard ground steel and are SFI 29.1 approved. TCI offers a complete line of Chrysler and Ford flexplates with GM and Ford bolt patterns for use with their adapter plate kits as well as neutral balanced flexplates with 168-tooth and 166-tooth starter rings for Chevy and Pontiac applications. Now you can speed down the track with the confidence of TCI machined SFI-approved flexplates.
( 60 )
$375.95
These Chevrolet Performance flexplate dust covers are direct stock replacements providing protection from street grime and stones. They are manufactured from quality materials and install in the factory location with no modifications. The dust covers are available for different transmission models, so you can choose what's best for your specific transmission model.
( 36 )
$241.75
Replacing older OE converters can be a challenge, often compelling customers to settle for makeshift solutions. You can remedy such an issue by choosing a LuK Clutch TorCon torque converter to restore smooth shifting to your automatic transmission. LuK's selection of converters provide the correct fit and function, covering a wide range of vehicles, assuring you will be able to find the proper unit for your vehicle.
( 2 )
$491.99
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$1,245.99
Using the latest technology, J.W. Performance has come up with these Ultra-Bell bellhousings. Built rugged and certified, these flexplate shields allow for special motor and transmission combinations to be easily mated together. Manufactured from one-piece cast aluminum, these Ultra-Bells are five times stronger than stock bellhousings, which makes them capable of withstanding even the most severe tire shake and can fit under most stock floorboards. Order the Ultra-Bell bellhousing designed to fit your application.
( 79 )
$469.88
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$548.75
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.
( 87 )
$833.00
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$1,371.00
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
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$1,495.00
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$1,795.00
Summit Bucks
Sonnax flanged yokes will complete your driveshaft connection. These high performance 6061-T6 aluminum parts are precision-machined to be stronger than the original cast steel yokes, as well as being lighter in weight. Sonnax builds these yokes for exceptional balance and superior craftsmanship, for a show-quality driveline.
( 24 )
$176.14
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$262.46
GearStar GM high performance transmissions are built to the horsepower, torque, and rear gear ratio specs of the engine that it will be matched to. Unlike other high performance transmissions builders, GearStar individual transmissions are hand-built by one technician from start to finish. Before a transmission and torque converter leaves their facility, they are dyno tested for the equivalent of 100 miles, ensuring proper working condition. GearStar GM 4L65E Level 3 transmissions with torque converter are built with the highest quality parts available. "Heart-pounding performance with industry leading experience"; select the proper transmission for your build and "strap yourself in to experience uncompromising performance" with the "legendary road-proven craftsmanship" of GearStar Performance transmissions. Features and specs: * 500 hp * Up to 500 lb.-ft. of torque * Stall: 2,600 to 3,200 * High performance 12 in. furnace-brazed converter -- Flanged hub and carbon fiber clutch * Master overhaul kit with Alto hardened steels * Raybestos Stage 1 frictions * Filter * 29-element dual cage sprag * High-capacity upgraded pump assembly * New hardened pump rings * New 13-vane pump rotor * New vanes * New stator * .500 boost valve * Pressure regulator valve * Updated boost valve * TransGo reprogramming shift kit with Shift Command * Bushing kit * New thrust washers * Complete Torrington bearing kit * Heavy-duty hardened sun shell * Heavy-duty expanded capacity input drum with reinforcing sleeve * High-rev spring kit * Corvette servo * Carbon fiber wide 2-4 band * New valve body spacer plate * Fill tube and stick * New shift solenoids * New EPC solenoid * New PWM solenoid * New 3/2 solenoid * New manifold pressure switch * New internal wiring harness with new TCC solenoid * New electronic speed sensor * Transmission mount * New OE steel transmission pan
Not Yet Reviewed
$4,945.00
Our Summit Racing™ SFI-approved flexplates are built for racing. They're thicker than stock, double-welded with a forged one-piece ring gear. Available in several internally and externally balanced applications. NOT FOR MARINE APPLICATIONS.
( 503 )
$79.99
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$123.99
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.
( 142 )
$148.99
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$702.99
On Sale
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.
( 107 )
$2,249.95
$731.55
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$1,999.95
Pacific Performance Engineering heavy-duty transmission pans do more than hold oil--they cool and protect! They have thick cast construction from high-grade aluminum alloy. Thanks to internal and/or external cooling fins and robust side ribs, PPE transmission pans are much stronger and they allow fluid to run much cooler. Lastly, they feature an insanely strong Neodymium magnet-equipped stainless steel drain plug that attracts and holds harmful metal particles floating in your oil. Really, your pan just holds the oil? It's time for a change--upgrade to cooler Pacific Performance Engineering heavy-duty transmission pans.
( 37 )
$269.99
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$350.99
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.
( 284 )
$167.99
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$887.99
RAM Concept 10.5 dual-disc organic clutch kits usher in a new era of RAM clutch design. The Concept kits introduce modular dual-disc systems with effective performance improvements. Perfected design, better performance, and a competitive price ... what an idea! Designed for use on applications with horsepower rating of up to 750. RAM Concept 10.5 dual-disc organic clutch kits feature: * Higher clamp load 10.5 in. pressure plate offers smooth pedal effort and more surface area to dissipate heat * Poly-coil sprung hub top disc allows for dampening on engagement to eliminate harsh starts and transmission fatigue * Billet modular stands are precision-machined to eliminate distortion and provide a stable platform to house the clutch unit
( 6 )
$939.00
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$1,149.00
These premium-grade ARP Pro Series flexplate bolts are far superior to OEM hardware. Forged from aerospace alloy and heat-treated prior to thread rolling and machining, they feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved register.
( 331 )
$22.99
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$50.99
Summit Racing™ LS flexplate spacers are designed to achieve proper spacing when you're installing an older GM automatic transmission to a LS engine. These spacer and bolt kits are manufactured from high-quality steel and correct the crank to transmission spacing differences between LS and early Chevrolet small block engines.
( 26 )
$61.99
Mile Marker Supreme lockout hubs offer all-metal construction. Built to exacting standards, they feature patented technology and smooth operation for the performance that you expect and need. Supreme lockouts are available for many applications, domestic and import, and come in your choice of great looking chrome or stainless steel. These hubs are made by die-casting aluminum into pre-made stainless jackets for the ultimate combination of light weight and corrosion resistance. Replace your old hubs with ones made to be abused--Mile Marker Supreme lockout hubs.
( 193 )
$249.00
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 )
$1,189.99
The locker sensor in Wrangler JL and Gladiator Rubicons have started to become problematic. When they fail, it usually starts out as a blinking locker indicator on the dash, which then ends up in a "service axle locker" message and the lockers will no longer engage. The repair would normally be to replace the sensor or the locker assembly, but they are not available, so the entire axle assembly needs replaced. Developed in a partnership with Americas Most Wanted 4X4, Z Automotive Jeep JL/JT Z-Locker OEM controller harnesses provide a simple fix for faulty OEM axle locker. Each harness will bypass the problematic sensor, allowing the locker to operate without the position sensor and provide the proper feedback to the Jeep's computers to keep the system operational without any errors or warnings. You get fully functioning lockers with no side effects. Installation is simple and they will not harm the Jeep's computers as they use the same signaling that it expects from the sensor. The connectors are the same ones used by Jeep and are watertight.
( 29 )
$179.00
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