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.

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Results 1 - 24 of 314

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.

4.5 out of 5 stars ( 324 )

$460.99

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$778.99

Spicer Drivetrain Products PTO End Yokes

Fit your Power Take Off shaft with Spicer Drivetrain Products PTO end yokes. Made from steel, these yokes are essential pieces that allow the shaft to flex. Dana design, engineering, testing, and manufacturing processes all work in conjunction with one another to ensure unparalleled performance that non-genuine parts simply cannot deliver. Demand genuine Spicer. Choose the proper design for your application.

Not Yet Reviewed

$223.99

Rekluse Clutch Derby Clutch Covers

Rekluse offers Derby clutch housing covers for a variety of Indian brand street bikes. These aluminum replacements are available with a black gloss or black wrinkle finish. They're manufactured to factory specs to ensure precise fitment.

Not Yet Reviewed

$189.00

LuK Clutch Flywheels

LuK solid flywheels are dynamically balanced to eliminate vibration and increase clutch performance. Manufactured to OE specifications, pairing your clutch set with a new LuK flywheel is a smart, cost-effective alternative to resurfacing, offering a smooth, flat surface crucial for proper clutch operation. They are engineered and built with quality materials for a longer service life. Select the disc diameter and ring gear tooth quantity needed for your application.

4.12 out of 5 stars ( 125 )

$128.99

Clearance

BCA Bearings by NTN Differential Bearing Kits

BCA Bearings differential bearing kits consist of all the essential high-quality bearings, seals, and other key components necessary to properly complete a rebuild. With extensive coverage of popular applications, BCA differential kits are built to meet or exceed OE specifications, ensuring long service life. Order the kit designed to fit your application.

3.0 out of 5 stars ( 1 )

$596.99

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$625.99

$291.50

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$305.50

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.

4.77 out of 5 stars ( 509 )

$753.99

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$859.99

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

4.22 out of 5 stars ( 169 )

$255.00

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$425.00

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.

4.27 out of 5 stars ( 511 )

$51.99

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$56.99

ARP Pro Series Flywheel Bolts

Pro Series flywheel bolts from ARP give you all that you need to bolt in your flywheel with confidence. They're much stronger than OEM hardware, forged from aerospace alloy, and are heat-treated prior to thread rolling and machining. These bolts feature an exclusive, flat 12-point head design and a larger-than-stock shank diameter for increased strength and improved flywheel register.

4.74 out of 5 stars ( 376 )

$22.99

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$33.99

On Sale

Hurst Pro-Matic 2 Shifters

The Hurst Pro-Matic 2 shifters incorporate an extended shifter stick for ease of operation and are designed to fit most pick-up trucks. Once the shifter is installed, the textured console and brilliant top cover that can be trimmed to fit any floor contour integrate the shifter with the interior. While easy on the eyes, this shifter is not all about looks. On the street, you will enjoy the ride as you freely tap the stick from gear to gear. If you decide to transfer your beauty of a machine to the track, this ratchet style shifter is built to handle the most powerful shifts, and the special positive reverse Loc/Out meets NHRA and IHRA technical requirements. These Hurst shifters come complete with all the hardware required to make installation easy, including a 5 ft. long heavy-duty shifter cable and instructions. Neutral safety and backup light switch assembly included. Key features: * Retro manual shifter look * Compatible with Forward or Reverse pattern valve bodies * Fits most popular 3-speed automatic transmissions * Comes complete with brackets, lever, and 5 ft. shift cable * Includes neutral safety and backup light switches * Illuminated gear position indicator * Positive reverse Loc-Out feature

4.24 out of 5 stars ( 25 )

$511.95

$459.95

PRW Billet Steel Flywheels

PRW billet steel flywheels are CAD-engineered, and precision CNC-machined from 1045 billet steel. Purpose built to handle extreme-duty applications and the punishment of high-horsepower engines, they are balanced and carefully inspected throughout the manufacturing process to ensure you receive the quality you expect from PRW. These billet steel flywheels feature removable counterweights for versatility and are SFI-certified.

4.33 out of 5 stars ( 6 )

$299.50

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$333.38

Summit Racing™ Restoration Bellhousing Hardware Kits

Complete OE-style bell housing mounting fastener kits that contain most everything needed for your bellhousing in one package--Summit Racing™ restoration bellhousing mounting fastener kits.

Not Yet Reviewed

$15.99

On Sale

Hurst V-Matic 3 Shifters

Hurst V-Matic 3 shifters provide you the classic features of the V-Matic 2 with upgraded internals for better overall functionality. They are designed to give you the four-speed manual look with the convenience of an automatic shifter. These shifters are cable operated and can be operated in standard gate mode and ratchet mode. A trigger operated reverse lockout function makes these shifters NHRA and IHRA-approved. The kits include a neutral safety and backup light switch assembly, a progressively illuminated gear position indicator, a polished stick, a brushed aluminum T-handle, a black console, and a 5 ft. cable.

4.36 out of 5 stars ( 22 )

$540.95

$485.95

American Powertrain Science Friction Flywheels

American Powertrain's Science Friction flywheels are available for most GM, Ford, Mopar, and AMC V8 engines. Their high-performance billet steel or lightened billet steel flywheels work best on the street for smooth performance—and for drag racing where the flywheel stores energy for hard launches. Billet aluminum flywheels are preferred for high-revving engines and in road racing where rapid rpm gain is essential. More than 50 models and configurations are available; order the flywheel recommended for your engine application. Features include: * High-grade billet steel or aluminum * Heavy-duty ring gears (with welded tabs on aluminum flywheels) * SFI certification is available on every flywheel * 20 percent lightening is available on steel flywheels * Double Blanchard-ground steel friction plates on aluminum flywheels * Aluminum flywheels have aircraft-grade riveted friction plates

4.31 out of 5 stars ( 13 )

$299.95

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$315.95

On Sale

Hurst Pro-Matic Shifters

Built for the track, Hurst Pro-Matic shifters can be used with standard or reverse pattern valve bodies. They also have a reverse lockout, as required by NHRA. The Pro-Matic shifters come with a lighted indicator and mounting hardware.

4.53 out of 5 stars ( 19 )

$499.95

$448.95

Summit Racing™ Crankshaft Counter Balance Plates

Our Summit Racing™ counter balance plates are required when using an internal balance flexplate with any external balance crankshaft. This plate installs easily between the crank flange and flexplate using stock length bolts.

2.6 out of 5 stars ( 5 )

$42.99

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

4.49 out of 5 stars ( 84 )

$825.00

PRW Billet Aluminum Flywheels

PRW billet aluminum flywheels are SFI-rated and engineered to handle extreme-duty applications, as well as take the punishment of today's high-horsepower engines. CAD engineered and precision CNC-machined to strict tolerances, PRW billet aluminum flywheels combine top-quality and reasonable pricing to deliver the best for you and your vehicle.

4.0 out of 5 stars ( 1 )

$420.83

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$422.92

PRW Pro Series Flywheels

PRW offers Pro Series flywheels for a variety of applications, including many Chevy, Ford, American Motors, Jeep, Pontiac, Chrysler, Dodge, Plymouth, and Oldsmobile vehicles from 1955 and up. These SFI-rated replacements raise the bar in the high performance industry. The combination of top quality and reasonable pricing sets new standards. They're engineered to handle extreme-duty applications and designed to take the punishment of today's high-horsepower engines. PRW 1045 billet steel flywheels are CAD-engineered and precision CNC-machined to strict tolerances. The choice of 5 out of 6 winning engine builders at the Engine Master Challenge four years running, PRW flywheels were awarded Best New Product of the Year at the 2006 Hotrod and Restoration Show. Every flywheel is engineered for excellence and rigorously inspected throughout the manufacturing cycle to ensure that customers receive the quality they've come to expect from PRW products. Order the model recommended for your vehicle.

Not Yet Reviewed

$449.42

Fidanza Balance Plates

These Fidanza balance plates allow you to use internal balance flexplates with external balance crankshafts. They are made of high-grade steel and have a natural finish. If you're looking for an easy fix and a quick install time on your balance plates, Fidanza has what you're looking for.

4.0 out of 5 stars ( 3 )

$23.93

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$48.91

Centerforce Performance Clutch Discs

Centerforce Performance clutch discs will work with both Centerforce I and II pressure plates. Most of them have a carbon-composite organic friction material for longevity and drivability, as well as positive engagements and excellent heat capacity. These clutch discs are designed to withstand the loadings from high-horsepower engines, but are priced for the everyday driver as well.

4.7 out of 5 stars ( 53 )

$110.95

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$178.95

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

4.32 out of 5 stars ( 241 )

$144.99

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$205.99

Fidanza Billet Aluminum Flywheels

Fidanza billet aluminum flywheels feature excellent heat dissipation and weight reduction. The replaceable friction surface is machined from 1045 steel and attached with military-grade aerospace fasteners. These flywheels are manufactured from the highest quality 6061-T6 billet aluminum and feature a 1050 heat-treated steel ring gear that's pressed on and secured with Grade 8 button screws. They also use a stepped dowel system so that when the parts are installed they're locked into place. No chromoly can compete with the awesome serviceability, strength, and superior design of Fidanza billet aluminum flywheels—available in nearly 200 models and options for applications from the 1940s and up.

4.71 out of 5 stars ( 35 )

$262.49

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$969.14

OER Powerglide Transmission Lower Kickdown Rods

OER Powerglide transmission lower kickdown rods are quality OE replacements offering the proper fit and function for your repair. A commonly forgotten link in your vehicle's drivetrain, these steel rods are necessary for proper operation and include studs.

4.0 out of 5 stars ( 2 )

$25.79

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