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Performance & Replacement Transmission & Drivetrain Parts
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.
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Moog U-Joint Fasteners
These Moog U-Joint fasteners are designed to hold U-joints in place and keep them from falling off. They are manufactured from high-quality materials for maximum durability on the road or trail. The fasteners are available in different configurations for specific U-joint models, so you can choose what's best for your application.
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$9.99
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$16.99
Dorman Driveshafts
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.
( 329 )
$220.99
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$1,239.99
Dorman Ring and Pinion Sets
Dorman ring and pinion sets are your OE solution for fit, function, and value. They offer quality manufactured sets for many applications. Replace your worn and whining ring and pinion with Dorman OE replacement parts.
( 7 )
$196.99
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$599.95
All Balls Racing Complete 6-Ball Heavy-Duty CV Axles
All Balls Racing complete 6-ball heavy-duty CV axles are designed and built as rugged OEM replacements with the current industry-standard of six ball bearings. They're engineered to handle the increasingly rough terrain and abuse you put your ATV/UTV through on a frequent basis. All Balls Racing complete 6-ball heavy-duty CV axles are static torsion and fatigue-tested, as well as built in facilities that are certified and meet the ISO 9001 quality manufacturing standard—providing you with peace of mind when you're out on the trail. Key features and benefits: * 6-ball bearing * Chromoly steel * Stronger than OEM * 30 percent stronger than the competition * 50 percent longer lasting than the competition * High performance molybdenum grease reduces heat and friction * Precision-machined for precise OEM fitment * Black laminate coating with a gloss finish to resist rust and corrosion * Heavy-duty neoprene boots create a waterproof seal * Low-profile stainless steel clamps
( 4 )
$192.80
Keyser Manufacturing Pilot Bushings
Keyser Manufacturing offers a choice of pilot bushings to fit your needs. From standard bronze bushings, extra-long bushings for applications where mid-plates increase the distance between the bellhousing and engine to standard pilot bushings with bearings to reduce parasitic drag and maintain alignment, Keyser has you covered.
( 6 )
$14.99
Ratech Complete Ring and Pinion Installation Kits
Ratech has just what you need for the fast installation of your ring and pinion gears and to keep you on budget. Get the key components to get the job done with Ratech ring and pinion installation kits.
( 193 )
$119.99
Standard Motor Neutral and Backup Safety Switches
Don't take chances with old, questionable, or faulty neutral and reverse safety switches that can be a danger to you and others. Standard Motor Products replacement neutral safety switches are designed to exceed OEM specifications for dependable, accurate, maintenance-free operation. Trust your vehicle's electrical system needs to Standard Motor Performance.
( 50 )
$17.99
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$186.99
ATP Clutch Cables
ATP replacement clutch cables offer great fit at a great value. These OE-style cables are available to fit virtually any engine and vehicle application. ATP has more than 60 years of experience in supplying the right parts for the best performance. A broken or faulty clutch cable can bring your car to an immediate stop. Why wait for that day? Order the cable recommended for fitment on your ride.
( 5 )
$29.99
Renthal Standard Front Sprockets
Renthal standard front sprockets offer strength, hardness, and less weight. Renthal front sprockets are made from specially developed, case-hardened, and core-refined 655M13 nickel/chrome/molybdenum alloy steel to give them the ultimate combination of strength and hardness. They are precision CNC-machined to extremely tight tolerances to give them the ultimate combination of strength and light weight. Some sprockets are available in an ultra-light design for further weight reduction and increased performance, while most of their off-road fronts feature self-cleaning mud grooves between the teeth to prevent dirt buildup. Maximize your performance with the ultimate front sprockets from Renthal.
( 1 )
$43.16
Renthal Grooved Front Sprockets
Renthal grooved front sprockets are simply the finest front chainwheels on the market today. They are designed to offer excellent durability with a lightweight design which delivers maximum power transfer. Each sprocket is CNC-machined from cased hardened and core refined 655M13 nickel chromium steel. Mud grooves are then CNC-machined into each tooth on both sides of these components to allow mud to flow away from the key contact points between the chain and the sprocket. This unique design helps reduce wear and can dramatically increase the lifespan of your drivetrain. Maximize your performance with the ultimate front sprockets from Renthal.
Not Yet Reviewed
$34.16
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$46.76
Hughes Performance Street/Strip 35 Series Torque Converters
If you've got a daily driver that you race on the weekends, and are in need of an excellent torque converter, then look no further. Hughes street/strip 35 Series torque converters are perfect for weekend racing and high performance street use. These converters are brazed and feature a strengthened sprag, special cut stator, and full needle bearings on the front and rear. Whether you're cruisin' down the highway or flying down the track, these converters get the job done.
( 4 )
$1,007.99
LuK Clutch Slave Cylinders
Historically, the core business of LuK—an abbreviation that, in English, stands for disc and clutch makers--is clutches, their associated systems, and powertrain dampers. LuK clutch slave cylinders have a long operating life and low-friction characteristics, thanks to the special design of the central seal, with a plastic reinforcement and the use of special lubricants. LuK offers both hydraulic concentric slave cylinders fitted within the bellhousing and external slave cylinders for lever-operated throwout bearings. All automatically adjust for clutch wear.
( 59 )
$46.99
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$80.99
McLeod StreetPro Clutch Kits
McLeod StreetPro clutch kits are excellent performance clutches for street enthusiasts. StreetPros are ideal for use with basic engine modifications, including cold-air intakes, exhaust upgrades, and engine management programming. These McLeod kits provide slightly heavier pedal effort with increased holding capacity, making them excellent factory replacement performance clutches. Order the size to match your vehicle specifications. Additional features and benefits include: * Bolt to stock flywheels * Handle up to 400 hp * Organic disc facing for smooth engagement with excellent release qualities
( 173 )
$285.00
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$395.00
Zoom MU Series Clutches
Zoom MU Series clutches are OEM replacement clutch kits that provide more grip without the stiff pedal of most aftermarket clutches. Matched components are engineered to perform together correctly for maximum durability and performance. Select the model for your application needs. Features: * New OEM computer-tested pressure plate * OEM-style clutch disc with non-asbestos facings built to exceed the OEM specs * New release bearing on some applications * Pilot bearing/bushing * Alignment tool for the perfect clutch installation
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$132.99
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$222.99
B&M Flexplates
B&M flexplates are tough enough to handle severe applications and are ideal for 6,000+ rpm usage. They have precision-stamped centers and a rust-resistant, gold iridited finish. Some units are SFI-approved and are NHRA/IHRA-legal for all classes.
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$173.95
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$194.95
Summit Racing™ SFI-Approved Flexplates
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.
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$51.99
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$56.99
TCI Machined Flexplates
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 )
$354.95
PRW Gold Series Flexplates
PRW Gold Series flexplates are engineered to handle extreme duty applications and designed to endure the punishment of modern high horsepower engines. The 4mm thick centerplate provides a solid foundation for these direct bolt-on drivetrain components. Ring gears are precision double-welded, utilizing robotic machinery and cold-welding processes for added durability. These flexplates are rigorously inspected throughout the manufacturing cycle to ensure you receive the expected quality. They are available in a wide variety of configurations to precisely match your application. Raise the bar on your high performance vehicle with PRW Gold Series flexplates. Order the style recommended for your specific vehicle and engine size. Features and specs: * Designed to fit standard OEM, aftermarket replacement, and high performance torque converters * SFI 29.1 certified * Forged one-piece steel ring gears * 0.035 in. thicker than stock flexplates * Constructed from cold-rolled chromoly steel * Long lasting yellow zinc plated finish
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$55.49
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$125.65
TCI Adjustable Vacuum Modulators
Vacuum modulators are designed to tell your transmission what kind of load is being put on it and react with the proper line pressures and shift points. Over time, these modulators can develop leaks or get damaged, causing driving issues and even premature transmission failure. TCI solves this dilemma with these adjustable modulators. Not only do these modulators renew performance, but you will also have the ability to slightly raise/lower part throttle shift points and line pressures. Simply adjust the screw inside of the vacuum nipple for more or less diaphragm preload.
( 11 )
$35.95
McLeod Pressure Plates
McLeod makes quality performance pressure plates for a wide variety of vehicles--domestic, imported, new, classic, you name it. They manufacture diaphragm, Borg & Beck, and Long types, with both aluminum and ductile-iron pressure rings. Not only that, they have applications designed for drag racing, road racing, oval tracks, and even the fabled dry lakes and salt flats of California, Nevada, and Utah. Chances are, they have what you need!
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$205.00
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$475.00
Centerforce Billet Steel Flywheels
Centerforce billet steel flywheels are available for popular import and domestic vehicles, including trucks. They're CAD/CAM-designed and CNC-machined from billet steel for precise, no-hassle, bolt-in installations. No modifications are required in combination with either Centerforce clutches or other clutch assemblies built to OEM specs. These rugged flywheels are SFI-approved, so you know that you can count on them--on the street and on the track.
( 62 )
$346.95
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$577.95
Crown Automotive Converter Drive Plates
Crown Automotive converter drive plates can restore efficient transmission drive and also maintain starter operation. With a superior grade metal construction, these converter drive plates are a direct replacement for the OEM part, so installation is at least as straightforward as with the stock component. Order the model designed to fit your application. Whether you're looking to service, optimize, or upgrade, Crown Automotive has quality parts to get your Jeep and Mopar vehicles back on the road.
Not Yet Reviewed
$64.99
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$135.99
USA Standard Gear ZG Series Ring and Pinion Sets
USA Standard Gear ZG series ring and pinion sets are quality OE replacements. They're offered for a wide variety of common and hard-to-find applications, differential case designs, and ratios. The right choice adds confidence to your install; select the USA Standard ZG series ring and pinion set recommended for your stock vehicle.
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$263.99
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$776.99
Perfection Clutch Slave Cylinders
Perfection clutch slave cylinders convert non-hydraulic pressure into hydraulic pressure, in order to move other devices located at the other end of the hydraulic system. These assemblies are engineered for faster installation than original equipment, using existing lines and no special tools. OEM plastic cylinders are prone to cracking, but Perfection cylinders are made from solid blocks, bored and honed for accurate tolerances and maximum durability. Hundreds of models are available for applications from 1957 and up—including Ford, Chevy, GMC, Mazda, Pontiac, Nissan, Toyota, and other brands. Choose the configuration and cylinder options recommended for your vehicle.
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$9.99
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$134.99
