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Best Automatic Assemblies - Buying Guide

Last Updated: 05/20/2019

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  #1

Transmission Specialties 2520 Input Shaft

Model: 2520   |    Mpn: 2520   |    Ean: 7355117680458   |    PartNumber: 2520   |   Asin: B003YCA5MY

With over 39 years of hard work and dedication to excellence... Transmission Specialties has become one of the premiere manufacturers of high performance automatic transmissions, torque converters and related parts in the U.S.A.

Features

Brand: Transmission Specialties   |   Manufacturer: Transmission Specialties

Item Dimensions: 1.25 x 15.3 x 1.5 inches (3.2 x 38.9 x 3.8 cm)   |   Package Dimensions: 0.68 x 2.96 x 3.01 inches (1.7 x 7.5 x 7.6 cm)

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  #2

TCI 326500 Recalibration Kit

Model: 326500   |    Mpn: 326500   |    Ean: 0788120022392   |    PartNumber: 326500   |   Asin: B000ND1LRU

326500 TCI Automotive RECALIBRATION KIT

Features

  • GM TH350/TH400/700R4Includes:
  • (1) TH350/700R4 Governor Cover O-Ring
  • (1) TH400 Governor Cover Gasket
  • (2) Axles
  • (8) E-Clips (3/32)
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Brand: TCI   |   Manufacturer: TCI

Item Dimensions: 1.4 x 6.1 x 9.5 inches (3.6 x 15.5 x 24.1 cm)   |   Package Dimensions: 1.4 x 5.5 x 8.9 inches (3.6 x 14.0 x 22.6 cm)

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  #3

B&M 30229 TransKit Street/Strip Automatic Transmission Upgrade Kit

Model: 30229   |    Mpn: 30229   |    Ean: 0019695302290   |    PartNumber: 30229   |   Asin: B000CIMG4I

If you have the time and inclination, B&M has gathered together the parts you will need to transform your stock automatic transmission into a full-tilt B&M street/strip performer. The TransKit starts with the special replacement valves, springs, and other modification components found in their Transpak kits, but also includes the other springs, plates, high performance friction materials, complete overhaul gasket set, and additional parts necessary to convert the valve body to a full B&M Manual/Automatic valve body. The kit comes with full instructions on how to assemble your transmission to B&M specifications, including special directions on modifying your case, pump, and other components to provide you with all the science and engineering that B&M has put into their transmissions. The instruction sheets provide the do-it-yourselfer with the information needed to completely overhaul 1968-1981 TH-350, 375B, and M38 automatic transmissions.

Features

  • The same quality components B&M uses to create their Street/Strip transmissions available as a do-it-yourself kit
  • Includes all the necessary parts to convert your valve body to a full B&M manual/automatic valve body
  • Includes high performance friction materials, a complete overhaul gasket set, drain plug kit, and special replacement valves and springs
  • Comes complete with full instructions on how to assemble your transmission to B&M specifications
  • Backed by the manufacturer with a 1 year limited warranty
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Brand: B&M   |   Manufacturer: B&M

Package Dimensions: 5.5 x 16.8 x 18 inches (14.0 x 42.7 x 45.7 cm)

First Available: 2012-03-27

Warranty: 1 Year Limited

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  #4

B&M 21042 Master Overhaul Kit

Model: 21042   |    Mpn: 21042   |    Ean: 0019695210427   |    PartNumber: 21042   |   Asin: B000CCFGMI

Master Overhaul Kit features the master racing overhaul kits which are supplied with all of the gaskets, seals, bushings and friction material required for a complete high performance or racing trans overhaul. It does not come with trans brake gaskets or components.

Features

  • Complete high performance or racing transmission overhaul
  • Includes only OEM valve body gaskets
  • Instructions not included
  • Great for rebuilding
  • Sold as a kit
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Brand: B&M   |   Manufacturer: B&M

Package Dimensions: 5.4 x 16.4 x 18.3 inches (13.7 x 41.7 x 46.5 cm)

First Available: 2012-04-11

Warranty: 1 Year Limited

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  #5

B&M 21040 Master Racing Automatic Transmission Overhaul Kit

Model: 21040   |    Mpn: 21040   |    Ean: 0019695210403   |    PartNumber: 21040   |   Asin: B000CC99V2

When your high performance or racing transmission is ready for an overhaul, B&M has assembled the parts you need in this convenient Master Racing transmission overhaul kit. This kit is designed for experienced professionals, and while it does include all the necessary gaskets, seals, bushings and high performance friction materials, it does not include transbrake body gaskets or components, and instructions are not included. This kit is intended for select Powerglide transmissions.

Features

  • Get all the components for a complete high performance or racing transmission overhaul in a single kit
  • Designed for select Powerglide transmissions
  • Includes all gaskets, seals, bushings, and high performance friction materials
  • Includes only OEM valve body gaskets -- no transbrake body gaskets or components
  • Instructions are not provided
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Brand: B&M   |   Manufacturer: B&M

Package Dimensions: 5 x 17.2 x 18.1 inches (12.7 x 43.7 x 46.0 cm)

First Available: 2012-06-04

Warranty: 1 Year Limited

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  #6

TCI 511238 Sizzler Transmission

Model: 511238   |    Mpn: 511238   |    Ean: 0788120031561   |    PartNumber: 511238   |   Asin: B001BN0AGY

C4 SIZZLER TRANS 70-82

Features

Brand: TCI   |   Manufacturer: TCI

Item Dimensions: 30 x 22 x 20.25 inches (76.2 x 55.9 x 51.4 cm)   |   Package Dimensions: 5.99 x 8.61 x 12.8 inches (15.2 x 21.9 x 32.5 cm)

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  #7

Richmond 1304000069 T-10 4-Speed Transmission

Model: 1304000069   |    Mpn: 1304000069   |    Ean: 0662960004179   |    PartNumber: 1304000069   |   Asin: B003JBMADM

Super T-10 4-Speed Transmission First to Fourth: 2.64, 1.75, 1.34, 1.00 (2.55 Reverse) Torque: 325 ft/lbs

Features

Brand: Richmond   |   Manufacturer: Richmond Gear

Package Dimensions: 16 x 16 x 35 inches (40.6 x 40.6 x 88.9 cm)

First Available: 2013-04-08

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  #8

Transmission Specialties 35001 Transmission Street/Strip for Chevy TH350

Model: 35001   |    Mpn: 35001   |    PartNumber: 35001   |   Asin: B003YCA4P2

Transmission Specialties 35001 Chevy TH350 Transmission Street/Strip. Product Dimension (LxWxH): 31x23x22.

Features

  • Transmission Specialties 35001 Chevy TH350 Transmission Street/Strip
  • Product Dimension (LxWxH): 31x23x22
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Brand: Transmission Specialties   |   Manufacturer: Transmission Specialties

Package Dimensions: 22 x 23 x 37 inches (55.9 x 58.4 x 94.0 cm)

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  #9

TCI 146900 Lever

Model: 146900   |    Mpn: 146900   |    Ean: 0788120001557   |    PartNumber: 146900   |   Asin: B001BN5EXS

TCI 146900 LEVER 4.2 RATIO T/F.

Brand: TCI   |   Manufacturer: TCI

Item Dimensions: 24 x 48 x 84 inches (61.0 x 121.9 x 213.4 cm)   |   Package Dimensions: 1.97 x 3.23 x 6.1 inches (5.0 x 8.2 x 15.5 cm)

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  #10

Performance Automatic PASS26103 Street Smart C4 Transmission Package

Model: PASS26103   |    Mpn: PASS26103   |    Ean: 0012867000819   |    PartNumber: PASS26103   |   Asin: B003TQ002U

Performance Automatic PASS26103 Transmission Package C4 Street Smart. Product Dimension (LxWxH): 36x21.5x21.75.

Features

  • Performance Automatic PASS26103 Transmission Package C4 Street Smart
  • Product Dimension (LxWxH): 36x21.5x21.75
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Brand: Performance Automatic   |   Manufacturer: Performance Automatic

Item Dimensions: 22 x 21.5 x 36 inches (55.9 x 54.6 x 91.4 cm)   |   Package Dimensions: 21.5 x 22 x 36 inches (54.6 x 55.9 x 91.4 cm)

Warranty: N

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  #11

Performance Automatic PA26101 C4 Street/Strip Transmission Case Fill

Model: PA26101   |    Mpn: PA26101   |    Ean: 0012867000000   |    PartNumber: PA26101   |   Asin: B003TQ2WYO

Performance Automatic PA26101 Transmission- C4 Street/ Strip- Case Fill. Product Dimension (LxWxH): 49.06x32.25x14.75.

Features

  • Performance Automatic PA26101 Transmission- C4 Street/ Strip- Case Fill
  • Product Dimension (LxWxH): 49.06x32.25x14.75
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Brand: Performance Automatic   |   Manufacturer: Performance Automatic

Item Dimensions: 15 x 12.5 x 32.5 inches (38.1 x 31.8 x 82.6 cm)   |   Package Dimensions: 12.7 x 14.7 x 32.4 inches (32.3 x 37.3 x 82.3 cm)

Warranty: N

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  #12

TCI 434322 Transmission for Ford Mustang

Model: 434322   |    Mpn: 434322   |    Ean: 0788120045544   |    PartNumber: 434322   |   Asin: B001P29N0A

TRANSMISS FORD MUST 98-04

Features

Brand: TCI   |   Manufacturer: TCI

Item Dimensions: 23 x 23 x 38 inches (58.4 x 58.4 x 96.5 cm)   |   Package Dimensions: 5.99 x 8.61 x 12.8 inches (15.2 x 21.9 x 32.5 cm)

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  #13

BD Diesel Performance 1064234F Performance Transmission Kit

Model: 1064234F   |    Mpn: 1064234F   |    Ean: 0019025004887   |    PartNumber: 1064234F   |   Asin: B002RWD77M

All new bushings; New design valve body; Stock thrust washers replaced with roller Torrington bearings saves governor solenoids and reduces friction; Drilled intermediate shaft for increased lube; Modified manual valve for lube in all positions; 47RE transmissions upgraded with more rugged 48RE components; Performance Transmission but with the added touch of a Billet Input Shaft to take the "snap" from rapid throttle and high horsepower; Clutch Count: OD 6; Clutch Count: OD DIRECT 10; New input shafts and hub; Pan adds 1qt extra oil capacity; Up to 80% higher clutch apply pressures over the stock unit; Pressure increase starts at much lower engine rpm's and at lighter throttle pedal position movement; Light throttle shift firmness is also maintained; No shuttle shifting problems; Upgraded governor pressure transducer (47RE/48RE); Upgraded governor solenoid - Twice the burst pressure than stock; Cooler line case saver in every transmission; Added heavy-duty clutches with up to 25% more material than stock; Machined forward (rear) beveled pressure plate; Machined overdrive brake (front & rear) pressure plate; Machined direct clutch (front) piston; High temp/energy Raybestos band; Billet band strut & anchor; Billet dual ring accumulator piston; BD auxiliary full flow filter kit for extra protection; Clutch Count: FORWARD 5; Fully rollerized geartrain; Clutch Count: DIRECT 6; Increase the durability of your drivetrain; Revised oil circuits; Handles up to 300% more power and torque than the stock transmission; Extra clutches and stronger internals; BD rigid aluminum heavy duty transmission pan; Pan reduces case flex; Pan reduces internal oil leakage; Pan heat-dissipating fins keep temperature down; Pan magnetic drain plug

Features

Brand: BD Diesel Performance   |   Manufacturer: BD Diesel

Package Dimensions: 23.5 x 27.3 x 44.5 inches (59.7 x 69.3 x 113.0 cm)

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  #14

Transmission Specialties 2540SSH 1.80 Alloy Short Gear Assembly

Model: 2540SSH   |    Mpn: 2540SSH   |    PartNumber: 2540SSH   |   Asin: B003YCC2BG

Transmission Specialties 2540SSH 1.80 Alloy Gear Assembly Short. Product Dimension (LxWxH): 18.9x8.1x9.7.

Features

  • Transmission Specialties 2540SSH 1.80 Alloy Gear Assembly Short
  • Product Dimension (LxWxH): 18.9x8.1x9.7
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Brand: Transmission Specialties   |   Manufacturer: Transmission Specialties

Package Dimensions: 13.95 x 19.11 x 28 inches (35.4 x 48.5 x 71.1 cm)

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  #15

Transmission Specialties 10000LSXHD 10" Big Shot Torque Converter for GM 350/400

Model: 10000LSXHD   |    Mpn: 10000LSXHD   |    Ean: 0191215140558   |    PartNumber: 10000LSXHD   |   Asin: B003YCA4X4

With over 39 years of hard work and dedication to excellence... Transmission Specialties has become one of the premiere manufacturers of high performance automatic transmissions, torque converters and related parts in the U.S.A.

Features

  • Torque Converter - Big Shot XHD - 10 in Diameter - 2900-3300 RPM Stall - TH350 / TH400 - Each
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Brand: Transmission Specialties   |   Manufacturer: Transmission Specialties

Item Dimensions: 7.3 x 13.5 x 13.4 inches (18.5 x 34.3 x 34.0 cm)   |   Package Dimensions: 14.14 x 24.9 x 27.9 inches (35.9 x 63.2 x 70.9 cm)

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  #16

Transmission Specialties 2512-2000 Pro-Line Transmission Glide 2000

Model: 2512-2000   |    Mpn: 25122000   |    PartNumber: 25122000   |   Asin: B003YC82W4

Transmission Specialties 2512-2000 Pro-Line Transmission Glide 2000. Product Dimension (LxWxH): 31.1x21.5x20.8.

Features

  • Transmission Specialties 2512-2000 Pro-Line Transmission Glide 2000
  • Product Dimension (LxWxH): 31.1x21.5x20.8
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Brand: Transmission Specialties   |   Manufacturer: Transmission Specialties

Package Dimensions: 22 x 23 x 37 inches (55.9 x 58.4 x 94.0 cm)

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  #17

Transmission Specialties 2540S 1.80 Alloy Gear Assembly

Model: 2540S   |    Mpn: 2540S   |    PartNumber: 2540S   |   Asin: B003YC5Z7Y

Transmission Specialties 2540S 1.80 Alloy Gear Assembly Standard Length. Product Dimension (LxWxH): 8x19x9.2.

Features

Brand: Transmission Specialties   |   Manufacturer: Transmission Specialties

Package Dimensions: 8.1 x 9.5 x 18.7 inches (20.6 x 24.1 x 47.5 cm)

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  #18

Transmission Specialties 10000HS 10" Big Shot Torque Converter for GM

Model: 10000HS   |    Mpn: 10000HS   |    Ean: 0191215140565   |    PartNumber: 10000HS   |   Asin: B003YC3VAW

With over 39 years of hard work and dedication to excellence... Transmission Specialties has become one of the premiere manufacturers of high performance automatic transmissions, torque converters and related parts in the U.S.A.

Features

  • Torque Converter - Big Shot - 10 in Diameter - 3700-4100 RPM Stall - TH350 / TH400 - Each
  • See more on Amazon...

Brand: Transmission Specialties   |   Manufacturer: Transmission Specialties

Item Dimensions: 7.3 x 13.8 x 13.3 inches (18.5 x 35.1 x 33.8 cm)   |   Package Dimensions: 14.14 x 24.9 x 27.9 inches (35.9 x 63.2 x 70.9 cm)

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  #19

Performance Automatic PA70104 Transmission Package

Model: PA70104   |    Mpn: PA70104   |    Ean: 0012867002684   |    PartNumber: PA70104   |   Asin: B003TQ0048

Performance Automatic PA70104 Transmission Package 700R4. Product Dimension (LxWxH): 35.5x21.75x22.

Features

  • Performance Automatic PA70104 Transmission Package 700R4
  • Product Dimension (LxWxH): 35.5x21.75x22
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Brand: Performance Automatic   |   Manufacturer: Performance Automatic

Item Dimensions: 24 x 24 x 36 inches (61.0 x 61.0 x 91.4 cm)   |   Package Dimensions: 21.5 x 22 x 36 inches (54.6 x 55.9 x 91.4 cm)

Warranty: N

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Looking For Something Else? Search

Most Popular
New Releases

  1. TCI 511238 Sizzler Transmission
  2. B&M 30229 TransKit Street/Strip Automatic Transmission Upgrade Kit
  3. B&M 21042 Master Overhaul Kit

Most Wished For

  1. Performance Automatic PA26101 C4 Street/Strip Transmission Case Fill
  2. B&M 30229 TransKit Street/Strip Automatic Transmission Upgrade Kit
  3. TCI 434322 Transmission for Ford Mustang
  4. TCI 511238 Sizzler Transmission
  5. B&M 21040 Master Racing Automatic Transmission Overhaul Kit
  6. Transmission Specialties 35001 Transmission Street/Strip for Chevy TH350
  7. B&M 21042 Master Overhaul Kit
  8. Richmond 1304000069 T-10 4-Speed Transmission
  9. BD Diesel Performance 1064234F Performance Transmission Kit
  10. TCI 326500 Recalibration Kit

Most Gifted

  1. TCI 511238 Sizzler Transmission
  2. B&M 30229 TransKit Street/Strip Automatic Transmission Upgrade Kit
  3. B&M 21042 Master Overhaul Kit

Top Selling

  1. Transmission Specialties 2520 Input Shaft
  2. TCI 326500 Recalibration Kit
  3. B&M 30229 TransKit Street/Strip Automatic Transmission Upgrade Kit
  4. B&M 21042 Master Overhaul Kit
  5. B&M 21040 Master Racing Automatic Transmission Overhaul Kit
  6. TCI 511238 Sizzler Transmission
  7. Richmond 1304000069 T-10 4-Speed Transmission
  8. Transmission Specialties 35001 Transmission Street/Strip for Chevy TH350
  9. TCI 146900 Lever
  10. Performance Automatic PASS26103 Street Smart C4 Transmission Package



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