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Best Automatic Assemblies - Buying Guide

Last Updated: 11/17/2019

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  #1

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

Amazon Price: $213.26 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $213.26

Warranty: 1 Year Limited

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  #2

TCI 326500 Recalibration Kit

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

Governor Recalibration Kit GM TH350/TH400/700R4
Includes: (1) TH350/700R4 Governor Cover O-Ring (1) TH400 Governor Cover Gasket (2) Axles (8) E-Clips (3/32") (6) Weights (6) Springs

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)

Amazon Price: $86.01 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 1-2 business days
List Price: $103.89

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  #3

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
  • See more on Amazon...

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

Amazon Price: $231.26 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 1-2 business days
List Price: $231.26

Warranty: 1 Year Limited

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  #4

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
  • See more on Amazon...

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

Amazon Price: $251.96 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 1-2 business days
List Price: $251.96

Warranty: 1 Year Limited

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  #5

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)

Amazon Price: $106.99 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $106.99

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  #6

TCI 146900 Lever

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

727/904 SHIFTER LEVER 5.0 RATI

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)

Amazon Price: $38.61 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $40.36

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  #7

HELLA (5627) 24V Bulb

Model: 5627   |    Mpn: 5627   |    Ean: 0760687144755   |    PartNumber: 5627   |   Asin: B00IKLFCS6

HELLA is a global, family-owned company listed on the stock exchange that employs some 38,000 members of staff at over 125 locations in some 35 countries. The HELLA Group develops and manufactures lighting and electronic components and systems for the automotive industry, and also has one of the largest trade organizations for automotive parts, accessories, diagnosis and services within Europe. With almost 7,000 people working in research and development, HELLA is one of the most important innovation drivers on the market. HELLA has achieved sales of around 7 billion Euros in fiscal year 2017/2018. In addition, the HELLA Group is one of the top 40 automotive parts suppliers in the world and one of the 100 largest German industrial companies. Integrating security, reliability and precision workmanship HELLA is a tradition that continues for more than 100 years ago. HELLA is a reliable partner you can trust!

Features

Brand: HELLA   |   Manufacturer: Hella

Item Dimensions: 2.1 x 6.58 x 1 inches (5.3 x 16.7 x 2.5 cm)   |   Package Dimensions: 1.88 x 3.79 x 6.09 inches (4.8 x 9.6 x 15.5 cm)

Amazon Price: $10.29 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 1-2 business days
List Price: $10.29

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  #8

Genuine GM Performance 19260380 Hydra-Matic 4L65-E Four-Speed Automatic Transmission

Model: 19260380   |    Mpn: 19260380   |    Ean: 0012503003051   |    PartNumber: 19260380   |   Asin: B00FS9OYWS

Chevrolet Performance automatic transmissions are available in a variety of styles and configurations, so they are sure to have one to fit the vehicle. These Chevrolet Performance automatic transmissions are designed to replace the OEM transmission without any needed modifications. They consist of all-new Chevrolet Performance parts, so you know that these transmissions are built to last.

Features

  • Hydra-Matic 4L65-E four-speed automatic
  • Chevrolet performance
  • Consists of all-new parts
  • Replace the OEM transmission
  • Built to last
  • See more on Amazon...

Brand: GM   |   Manufacturer: GM

Item Dimensions: 37 x 37 x 42 inches (94.0 x 94.0 x 106.7 cm)   |   Package Dimensions: 37 x 37 x 42 inches (94.0 x 94.0 x 106.7 cm)

Amazon Price: $3,922.99 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 1-2 business days
List Price: $3,923.04

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  #9

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
  • See more on Amazon...

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)

Amazon Price: $844.30 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $844.30

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  #10

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
  • See more on Amazon...

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)

Amazon Price: $455.99 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $455.99

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  #11

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
  • See more on Amazon...

Brand: Transmission Specialties   |   Manufacturer: Transmission Specialties

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

Amazon Price: $1,653.36 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $1,653.36

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  #12

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)

Amazon Price: $763.02 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $766.51

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  #13

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)

Amazon Price: $359.99 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $359.99

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  #14

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
  • See more on Amazon...

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)

Amazon Price: $1,814.57 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $1,469.96

Warranty: N

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  #15

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
  • See more on Amazon...

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)

Amazon Price: $3,126.60 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $3,126.60

Warranty: N

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  #16

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
  • See more on Amazon...

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)

Amazon Price: $2,774.40 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $2,642.29

Warranty: N

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  #17

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

Amazon Price: $1,893.46 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $1,893.46

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  #18

Lokar CINR-1796 Cable Operated Remote Mounting Cable Kit

Model: CINR-1796   |    Mpn: CINR-1796   |    Ean: 0847087005654   |    PartNumber: CINR-1796   |   Asin: B003JBM4NS

Lokar Cable Operated Remote Mounting Cable kit has been CNC machined from 6061-T6 billet aluminum. It has a programmable circuit board and back-up light circuit. It has a neutral safety switch and long life LED indicators. It has color coded wiring for easy installation. It is compatible for use with Lokar transmission shifters.

Features

  • CNC machined from 6061-T6 billet aluminum
  • Programmable circuit board
  • Back-up light circuit
  • Neutral safety switch
  • Long life LED indicators
  • See more on Amazon...

Brand: Lokar   |   Manufacturer: Lokar

Item Dimensions: 1.5 x 8.75 x 11.75 inches (3.8 x 22.2 x 29.8 cm)   |   Package Dimensions: 1.5 x 8.75 x 11.75 inches (3.8 x 22.2 x 29.8 cm)

First Available: 2011-08-19

Amazon Price: $77.04 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 1-3 weeks
List Price: $77.04

Warranty: Limited Lifetime

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  #19

Bosal 258-950 Auto Part

 Ean: 0623920293149   |    PartNumber: 258-950   |   Asin: B002H3ISS4

Type: Stud, M8X1.25 45Mm O

Bosal Exhaust Loose Parts Stud, M8X1.25 45Mm O


Dimension: 2 x 1 x 1 Inch
Weight: 1 Lbs

Features

Brand: Bosal   |   Manufacturer: Bosal

Item Dimensions: 1 x 1 x 2 inches (2.5 x 2.5 x 5.1 cm)   |   Package Dimensions: 2 x 2 x 2 inches (5.1 x 5.1 x 5.1 cm)

Amazon Price: $9.67 | as of 11/17/2019(4:46am pst)
Availibility: Usually ships in 24 hours
List Price: $9.67

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