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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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Steeda Tremec 500/600 Tri-Ax Shifters
Stop missing third gear! Steeda's Tri-Ax shifters for the Tremec 500 and 600 transmissions will give you smooth and precise shifts. Steeda manufactures these shifters from CNC-machined billet aluminum to ensure performance and durability. The offset-preload coil springs find third gear for you, so you won't miss.
( 2 )
$259.95
McLeod 600 Series Clutch Discs
McLeod 600 Series clutch discs are designed for severe-duty street performance with a holding capability of up to 600 hp. They feature maximum hold with a slightly harsh engagement. Series 600 clutch discs offer a sprung hub with three all-steel springs and three encapsulated polyurethane springs for dampening.
Not Yet Reviewed
$185.00
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$365.00
Summit Racing™ Automatic Transmissions
Summit Racing™ Automatic Transmissions combine quality and economy to offer replacement transmissions in many styles and options. These units are remanufactured with all-new clutches, thrust washers, seals, bushings, and high-energy bands, along with other "failure prone" hard parts depending on unit. Other features include a rebuilt front pump, a valve body with shift for street and performance and high-quality seals and gaskets. You get all these impressive upgrades, along with reliable performance and extreme value. All transmissions are Dyno tested before they're shipped. Order the model recommended for your vehicle.
( 65 )
$2,090.99
4x4 Posi-Lok Positive Axle Engagement Systems
Replace your slow, unreliable vacuum or electric front axle engagement system with one of these 4x4 Posi-Lok cable activated systems. The Posi-Lok systems give you direct control of your front axle right from your cab, so they will engage every time. They have a short 1 in. throw to make shifting on the fly easy, and as an added bonus, a 2WD low-range to give you the rear-wheel torque of 4-LO, and the bind-free steering action of 2-HI.
( 338 )
$174.95
Dorman 4WD Differential Actuators
When it comes time to replace your worn-out or failed 4WD differential actuator, look no further than Dorman. These replacement front axle actuators are available in the original vacuum or electric-style, just like OEM. Trust Dorman for the trouble-free engagement of your 4WD system.
( 51 )
$15.99
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$667.99
Moser Engineering Yokes
Moser Engineering precision-machined steel pinion and transmission yokes are available for most popular rear-ends and transmissions. Depending on the application type, they come with all necessary hardware, including U-bolts, nuts, lock washers, and a pinion nut. If weight is a concern, then check out Moser's billet aluminum pinion yokes--they'll save you approximately 2 lbs.
( 100 )
$125.00
Dorman 4WD Vacuum Delete Wheel End Couplers
Dorman 4WD vacuum delete wheel end couplers provide an OE Fix to these high-failure prone parts. Dorman patented replacement wheel couplers are designed for long-lasting durability and trouble-free performance, plus they come as a complete kits, including all required components for a complete repair. These direct replacements are made of corrosion-resistant high-quality materials, and will deliver a proper fit every time.
( 3 )
$115.78
Dorman Locking Hubs
Locking hubs are popular accessories for preparing to engage or disengage your front wheels in a 4WD vehicle. Through years of use and abuse, your locking hubs may become damaged or well worn. Dorman stocks a line of direct fit replacements to ensure proper 4WD operation. Whether automatic or manual units, they're manufactured using high quality materials for long lasting durability. The hubs are available for specific differential types, so match up your specs with the correct Dorman parts.
( 5 )
$111.99
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$211.99
Dorman Power Take-Off Assemblies
Dorman power take-off assemblies are 100 percent new, not remanufactured, and rigorously tested for long-lasting durability and an extended service life. These PTOs transfer high-power and torque from your vehicle's engine or off a gear in the transmission to auxiliary components to reach peak vehicle speeds. They are direct replacements and easily connect to mating driveshaft on the application end. Restore drivability and all-wheel drive (AWD) functionality with Dorman power take-off assemblies.
( 1 )
$779.99
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$1,312.99
Dorman Transfer Case Motors
Dorman transfer case motors are designed to meet or exceed OEM specifications for your electronically shifted transfer case. The transfer case motors are all-new units, not rebuilt or remanufactured, to ensure top quality and performance.
( 65 )
$90.95
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$1,015.95
Dorman Transfer Case Shift Linkages
Help engage or disengage your vehicle's 4WD system with one of these Dorman transfer case shift linkages. The control levers are constructed of corrosion-resistant metal for long lasting durability and their bushings ensure smooth operation. Dorman gives you direct replacement for a proper fit every time.
( 4 )
$150.50
Dorman 4WD Engagement Switches
You expect immediate response when you kick your vehicle into 4WD. It can mean the difference between becoming stranded—or plowing through adverse elements or treacherous trails. Dorman 4WD engagement switches are available in roughly a dozen styles for replacement on a variety of trucks, Jeeps, and SUVs. Order the direct OE model needed for fitment on your vehicle.
( 16 )
$34.99
Dorman Wheel Hub Seals
Dorman wheel hub seals restore proper functioning to your vehicle's 4WD system. These kits include all of the necessary components for a complete and convenient repair. There are no special tools needed, and they are direct replacements, which means a proper fit and a no-hassle install.
( 2 )
$92.95
Dorman Wheel Hub and Bearing Assembly Repair Kits
Dorman wheel hub and bearing assembly repair kits come with the hub and critical bearing replacement components for a complete repair on specific vehicle applications. This assembly saves time by eliminating the work required to remove individual corroded components. Dorman wheel hub and bearing assembly repair kits are precision-engineered to match the dimensions of original equipment for a reliable fit.
Not Yet Reviewed
$80.99
Dorman Transfer Case Housings
Replace your worn-out or damaged transfer case housing with one of these Dorman transfer case housings. They're made from durable OEM materials, built to factory specifications and tolerances to ensure a direct fit installation. The housings are available for a wide variety of transfer case models, so we're sure to have your application covered.
( 32 )
$481.95
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$597.99
Clearance
Dorman Wheel Hubs
Dorman wheel hubs are built with an industry-leading evaluation process that ensures their hubs are designed for long-lasting reliability and performance. Plus their vehicle try-on testing ensures a proper fit, every time. They feature sturdy steel construction. Bearings press onto the hubs for ease of installation. Wheel hubs are an integral component of your wheel assembly, crucial to establishing the handling characteristics of your vehicle. Trust Dorman hubs to deliver the best performance.
( 6 )
$27.99
Dorman Transfer Case Shift Forks
Engineered from high-strength cast aluminum for excellent durability, Dorman transfer case shift forks provide a prolonged service life. Replacement restores the 4WD to proper operation. Features include: * Built to resist stress during shifting * Effectively engages the transfer case to enable shifting between ranges and in and out of 4WD * Direct replacement for a proper fit
Not Yet Reviewed
$51.99
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$99.99
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 )
$642.99
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$670.99
Dorman Transfer Case Motor Encoder Rings
Dorman transfer case motor encoder rings enable you to restore communication with the your transfer case control module. They will go into failure mode due to wear, water intrusion, or in the event that you are unable to shift in and out of 4WD. Dorman can help to ensure that you're replacing your encoder ring effectively with direct replacement for a proper fit.
Not Yet Reviewed
$64.95
Clearance
Dorman Automatic Transmission Shifter Cables
Are you looking to replace your shifter cable? Get one of these Dorman automatic transmission shifter cables for reliable shifting performance. They are manufactured from quality materials and have been designed to fit your OEM shifter assembly and install in the stock location. Don't take chances with damaged or worn shifter cables--Dorman automatic transmission shifter cables won't leave you stranded.
( 2 )
$157.95
Pioneer Clutch Cables
Pioneer offers clutch cables for a variety of vehicle, engine, and transmission applications. These stock replacements will efficiently and smoothly transmit the movement of your clutch pedal when it's depressed to the release bearing. If shifting seems harder than it should be, order the direct-fit cable recommended for your ride.
( 3 )
$68.99
Pacific Performance Engineering Heavy-Duty Transmission Pans
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.
( 56 )
$359.99
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$377.99
ATP Automatic Transmission Shifter Cables
Service your automatic transmission with quality parts from ATP. Their shifter cables are available for many applications and meet or exceed OE standards. They are offered in more than a dozen lengths and configurations. Order the replacements recommended for your vehicle.
( 65 )
$48.99
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$49.99
ACT Throwout Bearings
ACT throwout bearings are the same high-quality bearings included in your ACT clutch kits. They are available separately for every kit made by Advanced Clutch Technology and are perfect for replacing lost or damaged bearings.
( 11 )
$154.00
