$20 Off $250 / $40 Off $500 / $80 Off $1,000 - Use Promo Code: LABORDAY

$20 Off $250 / $40 Off $500 / $80 Off $1,000
Use Promo Code: LABORDAY

FREE SHIPPING on Orders Over $109!

Transmission & Drivetrain

Performance & Replacement Transmission & Drivetrain Parts

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.

Part Groups

Results 1 - 16 of 16

QuickTime Engine Stand/Dyno Bellhousings

QuickTime engine stand/dyno bellhousings offer craftsmanship and proven performance. Built from high-grade steel, they are work-hardened to over 80,000 psi strength. Their cones are spin-formed--not rolled or stamped. CNC-machining and laser-cut components create bellhousings parallel and centered to within .003 in. For the lightest, strongest, and most accurate bellhousings available, your choice should be QuickTime engine stand/dyno bellhousings.

Not Yet Reviewed

$949.95

On Sale

Lakewood Bellhousings

Lakewood bellhousings are an excellent choice for street rods, street machines or oval track applications where the use of an SFI-approved bellhousing is not required. These units are made from 0.250 in. thick hydro-formed steel or lightweight cast aluminum. They're designed for use with hydraulic and mechanical fork throwout bearings--and utilize factory bolt patterns for easy installation. Order the model recommended for your transmission make and model.

4.14 out of 5 stars ( 37 )

$961.95

$1,349.95

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.

3.44 out of 5 stars ( 52 )

$1,783.99

$5,999.99

On Sale

TCI Competition Transmissions

TCI Competition transmissions are designed to take the abuse of drag-racing competition. They're available with full-manual and trans-brake setups and retain no automatic shift features. They feature special heat-treated races and sprags, high-performance clutches and bands, and improved lubrication. TCI blueprints and modifies these transmissions for maximum performance, then dyno tests and pressure tests them. So you can concentrate on winning the race!

3.55 out of 5 stars ( 31 )

$1,873.95

$3,830.95

On Sale

MSD Atomic Transmission Control Modules

MSD Atomic transmission control modules are designed to adjust the operating parameters of later model electronically controlled 4-speed automatic overdrive transmissions. They're simple to configure with the supplied hand-held monitor--no PC required. You now have access to adjust shift points, adjust torque converter clutch behavior, select different levels of shift firmness, select between auto-shift and manual shift mode, and activate dyno mode to deliver repeatable chassis dyno results. The included hand-held monitor connects to them and can be left in place as a dashboard to monitor the transmission in real time, or can be disconnected when the configuration is complete. Once installed, these modules need only a few basic parameters to complete the initial setup. First, select the type of transmission you are using--all supported transmission types are listed in the menu. Other required fields include the number of engine cylinders, rear-end gear ratio, and tire height. Once this has been completed, you can now start and drive the vehicle, while taking advantage of the advanced setup menu items to dial-in the transmission to your liking. You can feel the results in real-time as a passenger manipulates the parameters and monitors the real-time data. Data available for viewing includes engine speed, vehicle speed, throttle position, transmission fluid temperature, shifter position, and commanded gear. Best of all, the MSD Atomic transmission control modules are available as completely stand-alone units or Brainwave-compatible for the Atomic EFI systems. A transmission controller harness is sold separately.

3.74 out of 5 stars ( 19 )

$349.95

$899.95


$314.95

$808.95

Manufacturer Rebate

GearStar GM 4L65E Level 4 Transmissions

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 4 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: * 650 hp * Up to 600 lb.-ft. of torque * Stall: 2,600 to 4,000 * Custom-built and custom-stalled 10 in. or 11 in. billet racing lock-up converter * Master overhaul kit with Alto hardened steels * Raybestos Gen II racing 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 * Complete Torrington bearing kit * Bushing kit * Thrust washers * Heavy-duty hardened sun shell * Heavy-duty expanded capacity input drum with reinforcing sleeve * High-rev spring kit * 5-pinion heavy-duty front and rear planetary gear sets with sun gear * Hardened output shaft * Hardened reaction shaft and hub * Super hold 4th servo * Corvette servo * Wide carbon fiber wide 2-4 band * New internal wiring harness with new TCC solenoid * New shift solenoids * New EPC solenoid * New PWM solenoid * New 3/2 solenoid * New manifold pressure switch * New electronic speed sensor * New valve body spacer plate * New OE steel transmission pan * Transmission mount

3.5 out of 5 stars ( 2 )

$5,945.00

Manufacturer Rebate

GearStar GM 4L80E Level 3 Transmissions

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 4L80E 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: * 600 hp * Up to 600 lb.-ft. of torque * Stall: 2,600 to 3,600 * Custom-built 10 in. billet racing lock-up converter * Master overhaul kit with Alto hardened steels * Raybestos Stage 1 frictions * TransGo reprogramming kit * Filter * Torrington bearing kit * Bushing kit * Thrust washer kit * Internal wiring harness * New manifold pressure switch * New EPC solenoid * New PWM solenoid * New input and output speed sensors * New 1-2 and 3-4 shift solenoids * Expanded capacity forward clutch drum * Extra-capacity 2nd gear clutch assembly * Expanded capacity 3rd clutch drum * Heat-treated input and main shafts * Heat-treated forward steel clutch hub * Updated molded steel direct clutch piston * Updated reverse band * New low roller assembly * Wide kickdown band with new apply piston * Heavy-duty intermediate sprag * Updated boost valve * Updated TCC regulator valve * Blue printed pump and valve body * Transmission mount * New OEM steel pan

Not Yet Reviewed

$6,845.00

Manufacturer Rebate

GearStar GM 4L60E Level 3 Transmissions

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 4L60E 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 * Raybestos Stage 1 frictions and steels * TransGo heavy-duty reprogramming kit with Shift Command * Filter * 29-element dual cage sprag * High-capacity upgraded pump assembly * New hardened pump rings * New 10-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 * High-energy wide bands * 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 * Inspection cover (chrome) * Transmission mount * New OE steel transmission pan

Not Yet Reviewed

$4,945.00

Manufacturer Rebate

GearStar GM 4L65E Level 3 Transmissions

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

Manufacturer Rebate

GearStar GM 4L80E Level 4 Transmissions

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 4L80E Level 4 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: * 800 hp * Up to 700 lb.-ft. of torque * Stall: 2,800 to 3,400 * Custom-built, custom-stalled 10 in. billet racing lock-up converter * Master overhaul kit with Alto hardened steels * Raybestos Stage 1 frictions * TransGo reprogramming kit * Filter * Torrington bearing kit * Bushing kit * Thrust washer kit * Internal wiring harness * New manifold pressure switch * New EPC solenoid * New PWM solenoid * New input and output speed sensors * New 1-2 and 3-4 shift solenoids * Expanded capacity forward clutch drum * Extra-capacity 2nd gear clutch assembly * Expanded capacity 3rd clutch drum * Heat-treated input shaft * 300M main shaft * 300M forward clutch hub * Updated molded steel direct clutch piston * Updated reverse band * New low roller assembly * Wide kickdown band with new apply piston * Heavy-duty intermediate sprag * Updated boost valve * Updated TCC regulator valve * Blueprinted pump and valve body * Transmission mount * New OEM steel pan

Not Yet Reviewed

$7,845.00

GearStar Ford 4R70W Level 3 Transmissions

GearStar offers level 2, 3, and 4 Ford performance transmissions, custom built by one of their master technicians from start to finish, then dyno tested with converter to the equivalent of 100 miles, ensuring the transmission and converter package is in perfect operating condition before leaving their facility. GearStar Ford 4R70W Level 3 transmissions come fully equipped with a 20,000 GVW cooler, and a variety of customizations geared towards high performance driving. "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 450 lb.-ft. of torque * 10 in. custom built billet converter with lock-up * Stall: 2,600 to 3,200 * Master overhaul kit with Alto hardened steels * Raybestos Stage I frictions * TransGo reprogramming shift kit with shift command * New electronics: -- Updated EPC -- Shift solenoids -- Lock-up solenoid -- Internal wiring harness -- Output sensors * Complete Torrington bearing kit * New bushing kit * New reverse band * Alto Red Eagle wide O.D. band * High-capacity 4-plate intermediate clutch * Direct clutch pack (eight frictions) * Rev. drum with heavy-duty mechanical diode * Updated sun shell and gear * New low spring and roller * High-capacity pump assembly * Expanded capacity overdrive servo * Updated O.D. servo pin * Updated 3rd accumulator piston * Transmission mount * Custom 360-degree adjustable shift linkage arm

Not Yet Reviewed

$7,095.00

GearStar Ford 4R70W Level 4 Transmissions

GearStar offers level 2, 3, and 4 Ford performance transmissions, custom built by one of their master technicians from start to finish, then dyno tested with converter to the equivalent of 100 miles, ensuring the transmission and converter package is in perfect operating condition before leaving their facility. GearStar Ford 4R70W Level 4 transmissions come fully equipped with a 20,000 GVW cooler, and a variety of customizations geared towards high performance driving. "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: * 750 hp * Up to 550 lb.-ft. of torque * 10 in. custom built, custom stalled, multi-disc forged billet lock-up converter * Stall: 2,600 to 4,500 * Master overhaul kit with Alto hardened steels * Raybestos Gen II Racing frictions * High performance valve body reprogramming kit * New electronics: -- Updated EPC -- Shift solenoids -- Lock-up solenoid -- Internal wiring harness -- Output sensors * High-flow filter * Complete Torrington bearing kit * New bushing kit * New reverse band * Carbon fiber wide O.D. band * 300M hardened intermediate shaft * Heat-treated and stress relived input shaft * High-capacity 4-plate intermediate clutch * Direct clutch pack (eight frictions) * Wide reverse drum with mechanical diode * Updated sun shell and gear * New low spring and roller * High-capacity pump assembly with new gears * Updated O.D. servo pin and piston * Updated dual O-ring 3rd accumulator piston * Custom 360-degree adjustable shift linkage arm * Transmission mount

Not Yet Reviewed

$8,545.00

GearStar Ford 6R80 Level 4 Transmissions

GearStar Ford 6R80 Level 4 transmissions come with a custom billet Yank Performance lockup torque converter. This is the first of many upgrades that go into making sure that each transmission is built for performance applications to handle up to 750 crank horsepower or 700 crank foot-pounds of torque. These units have a brand-new valve body, brand new pump, billet intermediate shaft, expanded capacity clutches and steels, upgraded transmission cooler bypass valve, several valve body upgrades. They come with all new electrics, including the wiring harness, all sensors and solenoids—along with all new bushings, bearings, and seals. Every Level 4 transmission is assembled by one of GearStar's five expert builders. The transmission packages arrive dyno tested with 100 miles already on the product, which means the break-in procedure has been done and they're ready to go! Ford 6R80 Level 4 transmission models are available for 4WD or RWD applications.

Not Yet Reviewed

$9,745.00

FTI Performance Pro Powerglide Level 3 Transmissions

Racing is for pros--FTI Pro Series Powerglides! Their Level 3 units, like all the Pro Series transmissions, house the greatest advances in racing technology. They are fitted with FTI engineered valve bodies and spiral springs--they will not creep when the brake is set. And they are in-house CNC-machined and hand assembled to ensure every clearance is set to exacting tolerances. Level 3 Powerglides are designed and built for racers on a budget that need an unbreakable unit that can handle the rigors of their high performance engine in any extreme environment. Every transmission is dyno-tested to confirm they are race-ready and bulletproof. No wonder they are the choice of champions, shouldn't they be yours, as well? FTI Performance Pro Powerglide Level 3 transmissions feature: * 1.80 straight-cut gear planetary * 300m input shaft * Lightened steel clutch hub * 6-clutch drum * Race-prepped stock case * High-flow pump * Deep aluminum pan * Pro Tree transbrake * Billet dual ring servo * 4340 output shaft * 2-piece shift lever

4.5 out of 5 stars ( 4 )

$2,899.00

$3,499.00

FTI Performance Pro Powerglide Level 4 Transmissions

Racing is for pros--FTI Pro Series Powerglides! Their Level 4 units, like all the Pro Series transmissions, house the greatest advances in racing technology. They are fitted with FTI engineered valve bodies and spiral springs--they will not creep when the brake is set. And they are in-house CNC-machined and hand assembled to ensure every clearance is set to exacting tolerances. Level 4 Powerglides are designed and built for serious racers, that not only need value, but demand dependable, consistent performance while handling the rigors of their high performance engine--in any environment. Every transmission is dyno-tested to confirm they are race-ready and bulletproof. No wonder they are the choice of champions, shouldn't they be yours, as well? FTI Performance Pro Powerglide Level 4 transmissions feature: * 1.80 straight-cut gear planetary * 300m hardened input shaft * Steel clutch hub * 6-clutch drum * Aftermarket SFI-approved case * High-flow pump * Deep aluminum pan * Pro Tree transbrake * Red race clutches

3.0 out of 5 stars ( 1 )

$4,699.00

GSP Complete Hub Assemblies

GSP complete hub assemblies are engineered to provide OE fit, form, and function. They use premium materials, coupled with precise machining and balancing, to ensure smooth, vibration-free performance in all driving conditions. Additional features and benefits of GSP complete hub assemblies: * All-new components, engineered to standards equal to or better than OE, are used to manufacture GSP hub bearings and hub repair kits * Tempered hub components are tougher and less brittle to ensure long-term durability and resistance to impact damage * Hubs with sensors feature OE-specific harnesses and connectors for simple plug-and-play compatibility * Each hub is dyno-checked for proper sensor output before leaving the factory

5.0 out of 5 stars ( 8 )

$13.99

$350.99

  • 1
  • Page 1 of 1

Modal Header