Sonnax

Slip Yoke T3-3-6081HP

Powerglide, 200-4R, TH350, 4L60 (700-R4), 4L60-E; Muncie M20, M21 & M22 with 27-tooth spline; Saginaw 3- & 4-speed

Sonnax T3-3-6081HP forged chromoly performance slip yoke is an excellent upgrade over factory style transmission yokes, adding strength and durability at an affor...Read More

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Slip Yoke T2-3-12051HP

Powerglide, 200-4R, TH350, 4L60 (700-R4), 4L60-E; Muncie M20, M21 & M22 with 27-tooth spline; Saginaw 3- & 4-speed

Sonnax T2-3-12051HP performance forged slip yoke is an excellent upgrade over factory style transmission yokes, adding strength and durability at an affordable pri...Read More

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Slip Yoke T3-3-4281HP

Powerglide, 200-4R, TH350, 4L60 (700-R4), 4L60-E; Muncie M20, M21 & M22 with 27-tooth spline; Saginaw 3- & 4-speed

Sonnax T3-3-4281HP forged chromoly performance slip yoke is an excellent upgrade over factory style transmission yokes, adding strength and durability at an afford...Read More

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Slip Yoke T2-3-4911HP

Powerglide, 200-4R, TH350, 4L60 (700-R4), 4L60-E; Muncie M20, M21 & M22 with 27-tooth spline; Saginaw 3- & 4-speed

Sonnax T2-3-4911HP performance forged steel slip yoke is an excellent upgrade over factorystyle transmission yokes, adding strength and durability at an affordable...Read More

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Slip Yoke T2-3-12081HP

Powerglide, 200-4R, TH350, 4L60 (700-R4), 4L60-E; Muncie M20, M21 & M22 with 27-tooth spline; Saginaw 3- & 4-speed

Sonnax T2-3-12081HP performance forged steel slip yoke is an excellent upgrade over factory style transmission yokes, adding strength and durability at an affordab...Read More

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Quick Release Slip Yoke Kit T3-3-6081QR

Powerglide, 200-4R, TH350, 4L60 (700-R4), 4L60-E; Muncie M20, M21 & M22 with 27-tooth spline; Saginaw 3- & 4-speed

Sonnax quick release slip yoke kit T3-3-6081QR is an excellent, forged chromoly upgrade over factory style transmission yokes, adding strength and durability at ...Read More

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March 31, 2020

Transmission Report Newsletter: April 2020

Featured in this issue:

6L80/90 Transmission Tech Advisory: Consider an Updated Converter
Sonnax Hauls in Top Products & Tools!
Gen. 3 6T40 Units: What’s Changed & What’s Stayed the Same
Big Units Don’t Have to Mean Big Costs with AS66/69RC Valve Kits
Quickly & Easily Repair the Chrysler Solenoid Switch Valve
Conquering the GM Compensator Clip Conundrum

January 29, 2025

Transmission Report Newsletter: February 2025

Featured in this issue:New Gen. 2 6T70/75/80 Remanufactured TEHCMNew RFE, RH/RE “Apply Limit” ValvesNew ZF8 & Chrysler Heavy Duty “E” Clutch HubsNew Rostra Switches, Sensors & SolenoidsTech Tip: Check 4L60-E Isolator Bore Wear

April 22, 2024

Transmission Report Newsletter: April 2024

New products featured in this issue:RFE TCC Apply Limit Switch Valve KitsZF8HP45/50/51 & Chrysler 845RE, 850RE Heavy-Duty “A” Clutch Backing Plate48RE Zip Kit®Damper & Accumulator Piston Kits4L60/E & TH400 Input Shaft Upgrades

Slip Yoke T3R-3-6081HP

Powerglide, TH 200-4R, TH 350, TH 700-R4, 4L60-E, Muncie M-20, 21 & 22 with 27-tooth spline, Saginaw 3- & 4-Speed

This part has been discontinued.

Hex Head Cap Screw B79

245mm LU (3T40, 3L30, TH200C, 4T60-E, 4L60 & E:S-10 only)
258mm LU (4L60-E, 5L40-E)
258mm LU (4T65-E)
265mm LU (4T60-E, 4T80-E)
6T40/6T45, 236mm

This part has been discontinued.

Thrust Bearing CH-N-1

096 LU (01M)
10" LU
10-3/4" LU Late Production
45RFE, 545RFE
4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter
4L60-E (298mm), Single-Plate Performance Converter
4L60-E (300mm), Single-Plate Performance Converter
6F50/6F55
6L80 (245mm), Single-Plate Performance Converter
6T70, 6T75
727, 10-3/4" NLU Performance Converter
904, 10-3/4" NLU Performance Converter
AOD Performance Converter
C4, 10" or 11" Performance Converter
C4, 11" Performance Converter
C6 Performance Converter
Powerglide TH350, TH400, 8" Performance Converter
Powerglide, TH350, TH400, 10" Performance Converter
Powerglide, TH350, TH400, 10" Performance Converter (Mounting Ring)

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096 LU (01M), 10" LU, 10-3/4" LU Late Production, 45RFE, 545RFE, 4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter, 4L60-E (298mm), Single-Plate Performance Converter, 4L60-E (300mm), Single-Plate Performance Converter, 6F50/6F55, 6L80 (245mm), Single-Plate Performance Converter, 6T70/6T75, 727, 10-3/4" NLU Performance Converter, 904, 10-3/4" NLU Performance Converter, AOD Performance Converter, C4, 10" or 11" Performance Converter, C4, 11" Performance Converter, C6 Performance Converter, Powerglide TH350, TH400, 8" Performance Converter, Powerglide, TH350, TH400, 10" Performance Converter, Powerglide, TH350, TH400, 10" Performance Converter (Mounting Ring) Thrust Bearing CH-N-1

October 16, 2010

Transmission Report Newsletter: October 2010

Featured in this issue: Introducing the Sonnax SmartShell™ New Sonnax Transmission Catalog Jatco/Nissan CVT Solutions

Clutch Eliminator GM-R-5

4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter
727, 10-3/4" NLU Performance Converter
Powerglide, TH350, TH400, 10" Performance Converter
Powerglide, TH350, TH400, 10" Performance Converter (Mounting Ring)
Not for street use.

The GM 245mm converter’s weak link is the one-way clutch. Sonnax clutch eliminator GM-R-5 removes that weak link, making it an ideal upgrade for 1⁄8 mile drag raci...Read More

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4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter, 727, 10-3/4" NLU Performance Converter, Powerglide, TH350, TH400, 10" Performance Converter, Powerglide, TH350, TH400, 10" Performance Converter (Mounting Ring) Clutch Eliminator GM-R-5

September 02, 2014

Vacuum Test Data Sheet

Pilot Kit GM-PI-375K

4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter
Powerglide TH350, TH400, 8" Performance Converter
Powerglide, TH350, TH400 (258mm) Performance Converter
Powerglide, TH350, TH400 (265mm) Performance Converter
Powerglide, TH350, TH400, 10" Performance Converter

Use with 3/8" motorplate.

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4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter, Powerglide TH350, TH400, 8" Performance Converter, Powerglide, TH350, TH400 (258mm) Performance Converter, Powerglide, TH350, TH400 (265mm) Performance Converter, Powerglide, TH350, TH400, 10" Performance Converter Pilot Kit GM-PI-375K

August 16, 2022

Transmission Report Newsletter: August 2022

Featured in this Issue:8L90 2019 Model Year Tech Alert68RFE Gear Upgrades & Piston Install Tip4L60-E, 4L65-E Heavy Duty Remanufactured Valve Bodies948TE Valve Body Repairs & ID GuideRostra 6R80, 6R100, 6R140 SolenoidsFord/GM 10-Speed Solenoid Stabilizer

Inner Stator Race GM-HR-4

4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter
727, 10-3/4" NLU Performance Converter
Powerglide TH350, TH400, 8" Performance Converter
Powerglide, TH350, TH400, 10" Performance Converter
Powerglide, TH350, TH400, 10" Performance Converter (Mounting Ring)

Sonnax splined hardened inner stator race GM-HR-4 allows performance rebuilders to use Sonnax sprag MI-SP-4 in performance stator applications. It also replaces th...Read More

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4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter, 727, 10-3/4" NLU Performance Converter, Powerglide TH350, TH400, 8" Performance Converter, Powerglide, TH350, TH400, 10" Performance Converter, Powerglide, TH350, TH400, 10" Performance Converter (Mounting Ring) Inner Stator Race GM-HR-4

Shim CH-WS-8

10" LU
10-3/4" LU Late Production
4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter
4L60-E (300mm), Single-Plate Performance Converter
6L80 (245mm), Single-Plate Performance Converter
727, 10-3/4" NLU Performance Converter
904, 10-3/4" NLU Performance Converter
AOD Performance Converter
C4, 10" or 11" Performance Converter
C4, 11" Performance Converter
C6 Performance Converter
Powerglide TH350, TH400, 8" Performance Converter
Powerglide, TH350, TH400, 10" Performance Converter
Powerglide, TH350, TH400, 10" Performance Converter (Mounting Ring)

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10" LU, 10-3/4" LU Late Production, 4L60 (700-R4), 4L60-E, 200-4R (298mm NLU) Performance Converter, 4L60-E (300mm), Single-Plate Performance Converter, 6L80 (300mm), Single-Plate Performance Converter, 727, 10-3/4" NLU Performance Converter, 904, 10-3/4" NLU Performance Converter, AOD Performance Converter, C4, 10" or 11" Performance Converter, C4, 11" Performance Converter, C6 Performance Converter, Powerglide TH350, TH400, 8" Performance Converter, Powerglide, TH350, TH400, 10" Performance Converter, Powerglide, TH350, TH400, 10" Performance Converter (Mounting Ring) Shim CH-WS-8

March 09, 2016

Transmission Report Newsletter: March 2016

Featured in this issue:U341E/F TCC Slip DiagnosisFord 6R140 Zip Kit®U341E/F Valve Body Repairs6L80/90 Performance UpgradesTransmission Digest Top 10 Winners4L60/E Performance Catalog, Vol. 3

October 11, 2019

Transmission Report Newsletter: October 2019

Featured in this issue:

Unbeateable Protection Against 3-5-R Failures with 6T40 & 6T70 Drum Saver Kits
New Parts for Jatco/Nissan JF015E Units
Must-Have Chrysler RFE Upgrades
New Solution for Forward & Reverse Delayed Engagement & Clutch Distress in the 4L60-E
GM Gen. 2 6T70, 6T75 & 6T80 Valve Body Layout & Components
Tech Tip: Protecting Your Shift Timing in GM 700R4 Applications
Hard-Working AS68RC Dodge Trucks Need Hard-Working Parts