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Transmissions & Transmission Parts

Part Groups

Results 1 - 24 of 550

ATI Output Shafts

ATI output shafts offer heavy-duty performance for high horsepower. The 300M shafts feature an extended bearing surface and are gundrilled to save weight with no governor or speedometer support. They are available in three lengths for different applications. Big power, lots of weight, giant slicks, and a numerically low rear gear signals the necessity for ATI output shafts--they're must-haves for high performance.

4.4 out of 5 stars ( 5 )

$99.00

$479.00

Transmission Specialties Powerglide Billet NASA Input Shafts

Transmission Specialties offers options for Powerglide input shafts. Their wide selection allows you to choose the strength and pricing to fit your horsepower and budget. From 300M to forged 4340 steel to CNC-machined AerMet®100 that is virtually unbreakable, Transmission Specialties delivers the level of performance you want and need with their variety of Powerglide input shafts. Select the Powerglide input shaft model for your application.

Not Yet Reviewed

$557.00

ATI Automatic Transmission Drums

ATI Performance automatic transmission drums eliminate the need for steel bushings and sleeves that can expand under heat and come loose, ultimately causing transmission failure. They come equipped with Torrington bearings and are designed to triple clutch life and lower ETs.

4.56 out of 5 stars ( 9 )

$231.50

$1,159.99

Summit Racing™ Pro Bracket Race Torque Converters

Summit Racing™ Pro Bracket Race Torque Converters are what you need to get minimum ET's with maximum consistency round after round. Designed for bracket race use we have partnered up with a top converter builder to bring you an ultra-high quality converter right off the shelf at a bracket racers price point. With 8, 9, or 10 in. configurations to work for most small block and big blocks up to 555 cubic inches, we can get you on, and down the track in short order. Follow the stall chart to find the weight of your car, cubic inch, and horsepower range, then select your desired stall and order it up and go racing. Custom options not available. Features and Benefits * Steel stators in all versions * Furnace brazed pump and turbine * Dual anti-balloon plates * TIG-welded blades * Torrington bearings * Computer welded and balanced * Designed for 327-555 cu. in. engines * Turbo spline only (no bushing needed in PG stator support tube) * Stall speed ratings range from 4,400 to 6000 * .090/.125 and .250 thick motor plate versions available

4.33 out of 5 stars ( 3 )

$1,149.99

$1,389.99

FTI Performance SST Series Torque Converters

FTI Performance SST Series custom-order torque converters are available for use with a variety of transmissions, including Powerglide, THM350, and THM400. The 9 in. units are used by top drag racers. A torque converter is what transmits torque from the engine to a rotating driven load. It's a type of fluid coupling which allows the engine to spin somewhat independently of the transmission. SST Series torque converters are available with a 0-blade stator for a turbo spline, or the looser 6T stator model.

Not Yet Reviewed

$1,149.00

OER Flexplate Dust Covers

OER offers these reproduction flexplate dust covers for a range of applications. These dust covers are made to meet or exceed OE standards, resulting in durable covers and a correct fit.

2.89 out of 5 stars ( 9 )

$35.99

$59.99

Spectre Performance Automatic Transmission Dipsticks

Check your automatic transmission's fluid level with these Spectre automatic transmission dipsticks. These dipsticks are made from quality materials and include a dipstick tube.

3.2 out of 5 stars ( 5 )

$23.99

ATI SFI Flexplates

Made on state-of-the-art CNC equipment, ATI SFI flexplates are double MIG/TIG-welded with certified American-made materials that far exceed SFI specs for safety. They're manufactured and toleranced from actual OEM drawings to ensure precise fit and location. Each is quality-inspected to exceed the flatness and runout tolerances of the OEM units. They are also precision-balanced on Hines digital equipment with a resolution of 1/10 oz. per inch. Available in dozens of configurations, ATI SFI flexplates can be ordered for fitment on vehicles covering every decade since the mid-1950s.

4.59 out of 5 stars ( 73 )

$213.99

$229.00

ATI Torsional Input Shafts

ATI torsional input shafts work like a torsional spring bar--twisting and returning to totally eliminate breakage, while reducing shock loads to the gear train. They are manufactured from top-quality 300M or Vasco for maximum durability. Available for GM Powerglide or TH400 splines, these ATI torsional input shafts will add some reliability to your drivetrain.

4.91 out of 5 stars ( 11 )

$189.95

$881.99

On Sale

Summit Racing™ Input Shafts

Summit Racing™ input shafts are manufactured to meet your high performance needs. These shafts are forged from either 4340 or 300M steel. and come in a variety of applications and different power ratings to fit your budget.

3.1 out of 5 stars ( 10 )

$84.99

$129.99

EPI Performance Sport Utility Clutch Kits

EPI Performance Sport Utility clutch kits are matched to your machine and your riding style to provide noticeable power gains! If you do a little bit of everything with your quad--trail riding, occasional mud and sand riding, plowing and hauling--you will find the "real-world" performance of these kits to be durable, reliable, and efficient. EPI Sport Utility kits deliver better low-end and midrange acceleration, along with quicker backshift for resulting crisp throttle responses. They reduce belt slip and heat; plus, they will make up for power loss and slow response when you mount bigger tires. Dial in your ATV/UTV clutches to your way of riding with these popular, all-around use Sport Utility kits from EPI.

5.0 out of 5 stars ( 2 )

$251.99

$344.99

Hughes Performance Hardened Input Shafts

Install one of these Hughes hardened input shafts in your transmission and you can be confident that you won't have any twisting or breakage. For high-horsepower and trans-brake applications, Hughes hardened input shafts made from 4340 billet steel will exceed the need.

5.0 out of 5 stars ( 5 )

$265.99

ATI Automatic Transmission Sprags and Races

Sprags--or one-way clutches--are extremely important in GM TH350 and TH400 transmissions because they carry an up-shifting torque load. Prevent transmission failure with sprags and races from ATI Performance Products and compete with increased confidence.

5.0 out of 5 stars ( 5 )

$21.41

$79.99

TCI Hardened Input Shafts

These TCI hardened input shafts have increased lubrication, flow, and strength, a resized diameter that provides optimum stress lubrication along the entire length of the shaft, and extended high-gear splines to the oil ring. They will require some minor machining of the stator support.

4.0 out of 5 stars ( 8 )

$192.95

$727.95

ATI Adapter Kits

Many racers would argue that a Chevy Powerglide transmission, when matched with the proper rear gear, is the quickest and most consistent of all existing transmission designs. ATI Performance adapter kits allow Ford, Chrysler, and import owners to also benefit from GM trannys by eliminating the hours of expensive modifications necessary to mate GM transmissions with non-GM engines. Each of these kits includes an ATI adapter plate, a crank adapter, a flexplate, and all necessary mounting hardware.

4.83 out of 5 stars ( 6 )

$604.44

$629.50

FTI Performance Automatic Output Shaft with Carriers

FTI Performance offers a variety of automatic transmission output shafts (with carrier). They're machined from 300M steel for strength and long-lasting performance. Order the replacement model recommended for your transmission make and type.

1.0 out of 5 stars ( 1 )

$209.00

OTB Gear Acorn-Style Transmission Dipsticks

OTB Gear Acorn style transmission dipsticks bring a classic hot rod look accent to your vehicle. The stainless steel braiding conceals a stainless cable for ultimate location flexibility, and the O-ring fitting assures a secure fit. These dipsticks also include a funnel adaptor to aid in adding fluid. Vintage acorn-style knobs are a longtime favorite and are made from polished aluminum for a shiny look under the hood. Retro is always in style with classic transmission dipsticks from OTB Gear. Order the model designed for fitment with your auto make and transmission type.

Not Yet Reviewed

$179.00

TransGo Performance Shift Kits

TransGo's Performance shift kits give you the hard-launching, tire-blazing shifts you want, after just a few hours' work with basic hand tools. TransGo even has kits for computer-controlled, 4-speed automatics. Their performance shift kits can be installed with the transmission in the vehicle and they come with complete instructions. Some kits even include a step-by-step video to walk you through the installation process.

4.68 out of 5 stars ( 504 )

$29.57

$231.43

South Bend Clutch Stage 1 Heavy-Duty Clutch Kits

Designed for spirited and daily driving, the South Bend Clutch Stage 1 clutch kits make for a great OEM replacement when your factory clutch gives out. The pressure plate included in this clutch kit has an increased clamp load that promotes longer life, and the disc is dual dampened for smooth engagement and increased transmission life. The disc has also been designed with premium friction materials, which will ensure for rapid heat dissipation and will help to increase the life of the clutch. Select the Stage 1 HD clutch kit designed for OE replacement or your performance application.

4.82 out of 5 stars ( 17 )

$292.98

$2,323.29

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 ( 34 )

$398.99

$451.49

McLeod Drag Mag Twin Disc Clutch Assemblies

McLeod Drag Mag twin disc clutch assemblies are specifically designed for use at the track. They include a new disc, pressure plate, throwout bearing, and your choice of a billet steel or billet aluminum flywheel. The McLeod Drag Mag twin disc clutch assemblies are pre-balanced to fit specific applications and include the correct alignment tool for installation.

Not Yet Reviewed

$1,895.00

Action Clutch Stage 1 Clutch Kits

Action Clutch single disc clutch kits contain a range of street to high performance clutch systems built using American materials which are all locally sourced as it has been done for 60 years. Action Clutch staged kits come complete with the clutch disc, pressure plate, throwout/release bearing, pilot bearing/bushing (when applicable), and alignment tool. Action Clutch Stage 1 clutch kits for street and occasional track use offer a 70 percent increased holding capacity. They utilize reinforced steel-backed copper Kevlar® organic friction material and feature a single diaphragm heavy-duty pressure plate, while maintaining an OEM-like pedal feel and a smooth engagement. These kits are engineered for vehicles that range from stock to basic bolt-on cars, and like all Action Clutch sprung kits, the Stage 1s feature fully enclosed spring retainers to help protect your investment from any springs popping out which can cause catastrophic damage to your transmission or engine. After assembly, each kit goes through multiple quality checks to ensure quality. Select the kit designed for your vehicle. Pressure plate and clutch disc features: * All clutch covers feature ductile iron friction plate * Reinforced heavy-duty drive straps * 4-stage, heat-treated diaphragm spring * 100 percent dynamically spin balanced * American grade rivets * Full enclosed spring retainers * Sprung hub for easy engagement

4.5 out of 5 stars ( 2 )

$382.46

Action Clutch Stage 2 Clutch Kits

Action Clutch single disc clutch kits contain a range of street to high performance clutch systems built using American materials which are all locally sourced as it has been done for 60 years. Action Clutch staged kits come complete with the clutch disc, pressure plate, throwout/release bearing, pilot bearing/bushing (when applicable), and alignment tool. Action Clutch Stage 2 clutch kits for street and occasional track use offer a 110 percent increased holding capacity. They utilize reinforced steel-backed full face Kevlar® friction material and feature a single diaphragm heavy-duty pressure plate, while maintaining an OEM-like pedal feel, super smooth engagement, and heat dissipation. These kits are engineered for vehicles that have basic bolt-on cars or NA vehicles with headwork, such as cams, very low boost or nitrous setup. These fibers have a low static to dynamic friction coefficient, making them an ideal choice for applications where smooth engagement is essential (e.g. daily driving, stop-and-go, off-road driving). Due to the properties of Kevlar®, the stage 2 kits have an exceptional lifespan with minimal increase in pedal feel and a more confidence inspiring engagement. Select the kit designed for your vehicle. Pressure plate and clutch disc features: * All clutch covers feature ductile iron friction plate * Reinforced heavy-duty drive straps * 4-stage, heat-treated diaphragm spring * 100 percent dynamically spin balanced * American grade rivets * Full enclosed spring retainers * Sprung hub for easy engagement

Not Yet Reviewed

$414.67

Action Clutch Ironman Sprung Clutch Kits

Action Clutch Ironman sprung clutch kits are specifically designed for track-use applications and offer a 250 percent increased holding capacity. Utilizing extremely durable American sintered iron friction material, the spring hub-type discs feature full enclosed spring retainers and American-grade rivets. Best suited for those not looking to upgrade to a multi-disc kit yet, but who want to enjoy something affordable with a high torque holding capacity, these kits offer nearly double the clamping force which increases the torque capacity. The Ironman kits also offer some slippage on takeoff, which champions these kits as "go-to" kits with their repeatability and endurance. The clutch engagement is aggressive with an on/off feel and the kits will not introduce clutch chatter, but will have light engagement noise and some gear rattle. Action Clutch Ironman sprung clutch kits go through multiple quality checks after assembly, ensuring quality. Select the kit designed for your vehicle. Pressure plate and clutch disc features: * All clutch covers feature ductile iron friction plate * Reinforced heavy-duty drive straps * 4-stage, heat-treated diaphragm spring * 100 percent dynamically spin balanced * American sintered iron friction material * American grade rivets

Not Yet Reviewed

$637.46

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