Transmissions & Transmission Parts

Sonnax Forward Clutch Hub Washers

A pump that's been resurfaced or accumulated shaft spline wear creates excessive endplay of the forward and direct drums. This reduces sealing ring, clutch, bearing, and thrust washer life. Having the ability to shim both the lower unit sun gear addresses these problems. Sonnax offers forward clutch hub washers for a variety of transmission applications. Product benefits: * Washers take up the play between the forward clutch hub and the direct clutch housing, allowing front unit endplay to be reduced * Washers also stabilize the direct drum, reducing delayed reverse and improving 2-3 clutch circuit * Allows salvage of valuable hard parts

Not Yet Reviewed

$16.99

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$50.90

TCI Circle Track Automatic Transmission Front Pump Drives

These TCI Circle Track automatic transmission front pump drives will allow you to run without using a torque converter. They include the crankshaft hub adapter, an input spline adapter, a front pump seal, and mounting hardware. The front pump drives are available in 1, 2, or 3-piece configurations, based on your vehicle's transmission model.

Not Yet Reviewed

$246.95

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$318.95

FTI Performance MR Series Torque Converters

FTI Performance MR Series torque converters are specifically designed for mud boggers needing an incredibly strong spragless unit without draining the bank. They're ideal for 400 to 1,200 hp weekend runners—and still perform well during occasional races. Features include a forged billet steel front cover, a billet spragless center, a hardened flanged impellor hub, and a steel anti-ballooning plate. Triple Torrington bearings, computer balancing, and furnace-brazed and heli-welded fins add to the list of reliable bulletproof MR Series parts. These converters provide excellent torque multiplication, better heat-dissipating oil flow, and impressive performance. Order the parameters desired and the model recommended for your transmission application.

3.0 out of 5 stars ( 2 )

$799.00

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$849.00

FTI Performance SRL Series Billet Lockup Torque Converters

FTI Performance SRL Series billet lockup torque converters feature a computer-designed, CNC-machined billet front cover and a billet lockup piston--making premature clutch wear a thing of the past. With custom stator designs and multiple blade angle pumps, stalls are available from 2,800-4,400 rpm. They are custom-built to your exact needs and driving style. With furnace-brazed and heli-welded fins, severe-duty sprague, and anti-ballooning flanged impeller hub, these torque converters are virtually indestructible.

4.06 out of 5 stars ( 18 )

$989.00

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$1,895.00

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.

3.5 out of 5 stars ( 4 )

$1,752.99

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$1,794.99

VEGE Remanufactured Torque Converters

VEGE has honed its remanufactured torque converter operation to optimize a steady outflow of a variety of products by using and adopting standard operating procedures to supply automotive, high-performance, heavy-duty, and industrial converters. VEGE torque converters incorporate the necessary upgrades to reduce failures. Areas that are known to fail such as pump and turbine blades are reset and re-enforced. The stators are completely disassembled and reloaded with new rollers and springs. Turbine hubs that have a high failure rate are replaced with billet steel hubs. Needle bearings are replaced with new ones and in most cases upgraded to heavy duty standards. VEGE torque converters are super balanced twice! Using state of the art Hines balancers all VEGE torque converters are checked for balance during the set up and tack and after final weld. This makes for a better dynamic running torque converter.

4.1 out of 5 stars ( 60 )

$98.99

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$298.99

Crown Automotive Manual Transmission Replacement Parts

With proper maintenance practices and Crown Automotive quality manual transmission replacement parts, you and your ride will benefit from the best driving experience on and off-road! Crown knows that Jeeps are driven harder than most other vehicles and that is why they emphasize offering only quality parts, from synchro springs, keys, sleeves, hubs, snap rings, and shift forks to hardware and other components. And, all are designed to meet your standards for quality and performance at very reasonable pricing.

Not Yet Reviewed

$1.99

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$24.99

Hughes Performance Street Master Torque Converters

Street Master torque converters are designed for the driver who is looking for a competitive advantage. By raising the stall rpm, these converters will completely eliminate slow, sluggish starts. Recommended for stock to slightly modified engines for maximum performance, they'll allow the engine to idle smoothly when the car is in gear. All stall speeds are approximate ratings for fresh big block engines. Small blocks will vary 300 to 500 r.p.m. lower.

4.42 out of 5 stars ( 238 )

$1,445.99

Sonnax Smart-Tech Drum Modules

Sonnax Smart-Tech drum modules for racing GM TH400 transmissions improve on-track performance and consistency, leading to quicker ETs, more wins, and greater reliability. The TH400 is preferred for its overall durability and multitude of available ratios, but is known to be heavier and less efficient than the popular two-speed Powerglide. Part of the TH400 inefficiency results from the fact that the direct drum counter-rotates, spinning backwards in 1st gear, brakes to a complete stop on the 1-2 shift, then goes from 0 RPM to input RPM on the 2-3 shift. Significant energy is wasted through this cycle that robs power, upsets traction on the shifts, and contributes to broken internal parts. Compared to aluminum direct drums, the Smart-Tech drum module reduces the weight of the counter-rotating components by over 3.3 lbs.! And more significantly, because the weight of the Sonnax counter-rotating parts is closer to the centerline, there's a 68 percent reduction in energy required to stop and restart during the 1-2 and 2-3 shifts. The benefits are increased wheel horsepower, better acceleration, less shock on the shifts, and improved durability. * Complete kit (34555-01K) replaces both forward and direct drums and includes everything from intermediate sprag to the pump; a selection of Sonnax input shafts is available separately. * 100 percent new content, no used core pieces * Includes larger-diameter, 36-element sprag and sprag race that works with OE intermediate clutches * Includes six-friction forward clutch pack and seven-friction direct clutch pack Contents: * Forward Piston Housing * Forward Piston * Forward Piston Return Springs (16) * Forward Spring Retainer * Forward Snap Ring * O-Ring 1.674 in. * Lip Seals (2) * Direct Housing Assembly * Direct Piston * Direct Piston Return Springs (26) * Direct Spring Retainer * Direct Snap Ring * O-Ring 2.737 in. * Sprag Shaft * Front Sprag Retainer Plate * Heavy-Duty Sprag 36 Element * Outer Sprag Race * Rear Sprag Retainer Plate * Sprag Retainer Screws (4) 6-32 x 5/16 in. * Quad Ring Seals (2) * Anti-rotation Seal Rings (2) * Drum * Pressure Plate * Outer Snap Rings (4) * Bearing Small * Forward Clutch Hub * Bearing Large * Direct Clutch Hub * Steel Clutch Plates (4) .060 in. * Steel Clutch Plates (11) .077 in. * Friction Clutch Plates (13) .080 in. * Clutch Separators (60) .103 in.

Not Yet Reviewed

$3,052.40

TCI Ultimate StreetFighter Torque Converters

These TCI Ultimate StreetFighter converters are completely remanufactured with furnace-brazed hand-welded fins, a cast steel stator, a hardened pre-ground front pump hub, a dual bolt pattern, and needle bearings. These converters will give you about a 4,000 to 5,000 rpm stall speed for competition-style launches. They're recommended for use on high-compression street/strip engines and higher performance cars and are used on some of the fastest street machines the world over. Some applications are also available with an anti-ballooning plate for use on nitrous oxide equipped vehicles.

3.75 out of 5 stars ( 4 )

$955.95

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$1,030.95

Advance Adapters Mopar NV4500 Transmission Bell Housing Adapters

In 1989, Dodge and Cummins came together to make a diesel light truck for the ages. From 1989-92, Dodge coupled the Cummins to a Gertrag 5-speed manual transmission. Now, with the use of Advance Adapters Mopar NV4500 transmission bellhousing adapters, you can upgrade these earlier models to the NV4500. The NV4500 5-speed was used in heavy-duty Dodge trucks for the 1993-2007 model years, making it considerably easier to find donors over the Gertrag. These adapters feature a new 356 T-6 aluminum bellhousing and a new pilot bearing for both 2WD and 4WD applications. In addition, 4WD kits include a transfer case shift bracket and crossmember mount. To make things easier and less expensive for the consumer, these bellhousings utilize the stock clutch arm, release bearing, and slave cylinder. Modifications will be required to the NV4500 prior to assembly. The bearing retainer must be removed from the front and shortened to 4.297 in. long to prevent any interference with the hub on the clutch disk. Test-fit the bellhousing to the Cummins block to check flywheel and clutch assembly clearance. There is a 4.5 in. difference in length, so you will need floorboard modifications 4.5 in. back from the original location. Finding replacement parts and rebuild kits for Gertrag 5-speed transmissions is difficult and expensive. Change to the NV4500 transmission with the help of Advance Adapters Mopar NV4500 transmission bellhousing adapters.

4.17 out of 5 stars ( 6 )

$495.71

RevMax Stage 3 Billet Single Disc Torque Converters

RevMax Stage 3 billet single disc torque converters are designed for those who have lightly modified engines or for those that do not tow heavy weights. The showpiece of their converters is the patented torque converter stator sprag retainer which allows smoother clutch application for less strain on the input shaft. All Revmax Stage 3 converters are rated up to 350 horsepower or 700 ft-lbs. of torque. Give your ride the powertrain it deserves with an assist from the RevMax Stage 3 billet single disc torque converter best suited for your application. More product features, items, and specifications include: * CNC-machined billet one-piece front cover * Raybestos or Alto high-performance lockup friction * Proprietary input shaft seal * Billet bearing cap * Dual Torrington bearing stator design * 4140 flanged impeller hub * 4140 hardened turbine hub * Furnace-brazed impeller * TIG-welded brazed turbine * Computerized robotic welding * Precision internal clearances set to increase efficiency and improve performance * Fully pressurized and leak tested * TCRS machine computerized high-speed balancing to less than 5 grams * Runout tolerances of less than 0.005 in.

Not Yet Reviewed

$995.00

Sonnax Big Input Shaft Kits

Stop worrying about input shaft failure when running the GM Powerglide in the most extreme applications. Sonnax offers the only big input shaft upgrade with custom components designed to work together for reliable performance. Whether you have an existing assembly or start from scratch in the gear ratio of your choice, it's the best way to connect huge power to Sonnax Extreme planetaries for great run after run with minimum downtime. The only way to prevent twist and breakage from massive torque is to increase the input shaft diameter, and the core of the big shaft system is big input shaft kit 353532-01K. The shaft strikes the perfect balance between strength and ease of installation with a 1 1/8 in. diameter and a unique, high-strength spline that still fits through the front sun gear. It delivers 35 percent more strength than standard 1 in. shafts, a dramatic upgrade for racers that want to take full advantage of the lightweight and efficient Powerglide automatic transmission. (Note: The Sonnax big shaft system for Powerglides requires changing to a 35-spline turbine hub.) Kit contents: * Shaft * Clutch Hub Big Shaft features: * Torsional, ringless design * Heat-treated, 300M steel with advanced processing * 35 splines (AOD-style) at converter Clutch Hub features: * 1.500 in. tall hub for use with 10-clutch setups * High-strength chromoly steel * Custom fit for the big shaft

Not Yet Reviewed

$1,547.27

Sonnax Smart-Tech Input Shaft and Piston Kits

Based on an ultra-durable, one-piece forging, Sonnax Smart-Tech input shaft and piston kits have a hub with longer front clutch splines. Combining longer splines with a thinner billet aluminum direct piston allows for one extra OE thickness direct friction plate, while keeping original thickness steels, backing plate, original retaining ring and OE clutch clearances.

4.0 out of 5 stars ( 1 )

$1,402.32

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$1,890.47

Transmission Specialties Lock-Up Street/Strip Multi Plate Torque Converters

Transmission Specialties offers Lock-Up Street/Strip multi-plate torque converters for a variety of transmission and engine models. The heavy-duty converters have an oversized billet lock-up piston for exceptional durability in all applications. А billet front cover is standard, and all fins are furnace brazed and heli brazed for added strength. Stall speed can Ье set from 2800-4500 rpms. Order the replacement or upgrade model recommended for your vehicle. Additional notes: * Three new Torrington bearings * New flanged impeller hub * New billet turblne splines * Furnace brazed and heli brazed * XHD billet oversized lock up CI * XHD billet front cover * Computer balanced * Pressure leak test * Best price in the industry

Not Yet Reviewed

$1,529.81

RevMax Low Stall Stage 5 Torque Converters

RevMax Low Stall Stage 5 triple-disc billet torque converters are designed for those who have heavily modified engines or for those who tow heavy weights. The showpiece of these converters is the RevMax patented torque converter stator sprag retainer (some models). This technology cannot be purchased anywhere else! Unlike most of the competition, RevMax has redesigned the lockup clutch piston to be able to accommodate a piston damper. The billet piston and damper allow the clutch to apply smoother—which in turn puts far less strain on the input shaft. RevMax Stage 5 converters have no horsepower or torque limitations. They're available for a variety of applications, including many Dodge, RAM, Chevrolet, and GMC trucks with Mopar or Allison transmissions from the 1990s and up. Additional details: * CNC-machined billet one-piece front cover * Raybestos or Alto, high performance triple disc lockup frictions * Billet lockup apply piston with performance spring damper * RevMax proprietary CNC-machined stator designs * RevMax patented sprag retainer (not on Allison models) * RevMax proprietary input shaft seal (not on Allison models) * Billet bearing cap * Dual Torrington Bearing stator design * 4140 flanged impeller hub * 4140 hardened turbine hub * Furnace brazed impeller * TIG-welded brazed turbine * Computerized robotic welding * Precision internal clearances set to increase efficiency and improve performance * Fully pressurized and leak-tested

Not Yet Reviewed

$1,349.00

RevMax Stage 5 Billet Quad Clutch Insignia Converters

RevMax offers Stage 5 Billet Quad Clutch Insignia Converters for a variety of applications, including many Ford trucks from 2011 and up. These torque converters are designed for those who have heavily modified engines or for those who tow heavy weights. They're the culmination of over two years R&D. Each converter features four lockup clutches and retains the factory damper assembly to provide extremely smooth converter apply. Even with twice the holding capacity of a stock converter, most RevMax customers rate these quad units as smooth as their original stock dual disc. RevMax Stage 5 converters have no horsepower or torque limitations. Additional details: * CNC-machined billet one-piece front cover * Raybestos or Alto, high performance quad disc lockup friction * RevMax proprietary CNC-machined stator designs * Billet bearing cap * Dual Torrington Bearing stator design * 4140 flanged impeller hub * 4140 hardened turbine hub * Furnace brazed impeller * TIG-welded brazed turbine * Computerized robotic welding * Precision internal clearances set to increase efficiency and improve performance * Fully pressurized and leak-tested * TCRS computerized high-speed balancing to less than 5 gram * Runout tolerances of less than .005

Not Yet Reviewed

$2,195.00

TCI Breakaway Torque Converters

These TCI Breakaway torque converters will give you about 1,000 more rpm stall speed than stock, so you'll launch and accelerate faster. TCI remanufactures them to last with furnace-brazed fins, needle bearings, and a flame-hardened hub--the same qualities that they gave their street/strip converter.

4.09 out of 5 stars ( 111 )

$1,351.95

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.

3.46 out of 5 stars ( 63 )

$5,455.99

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$6,190.99

Reid Racing Powerglide Transmission Cases

Reid Powerglide transmission cases are perfect for drag race high-horsepower applications. They are made by a permanent mold process from heat-treated aircraft-grade aluminum, making them stronger and more ductile than OEM castings. Features include: * Thickened oil pan flanges * Beefed-up oil pump area * Heli-coiled oil pump mounting holes * Adjustable trans-brake release * Redesigned oil passages * Reverse piston bleed hole * SFI-approved safety liners for flexplate and transmission

5.0 out of 5 stars ( 8 )

$1,459.00