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

Featured in this issue:Sonnax Answers Your Biggest Questions About Woven Carbon Friction RingsNew Parts GuideEd Lee is Retiring! Check Out His Top 10 Tech ArticlesExploded Views You Might Have Missed

Featured in this issue:Turn Your ZF6 Solenoid Cores into CASH!New ZF8 Tech ArticleZF8HP45/70 Valve Body LayoutRemanufactured Valve BodiesNew Toyota and Chrysler Line Pressure Booster Kits

Featured in this issue:Performance Converter Kit CatalogTips for Successful 6R140 Impeller Hub InstallationNew Parts Guide & Exploded ViewsFrequently Asked QuestionsSmart-Tech® Overdrive Clutch Housing KitTCRA Seminar

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

Featured in this issue:Performance Rebuilds & Converters Honda/Acura 4/5-Speed Solutions New Transmission Parts 2013 Roadshow Schedule

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

Featured in this Issue:Rostra Joins Sonnax Transmission CompanyNew Work/Sport Performance UpgradesGM 8L45, 8L90 Valve Body RepairsGM 6L45/50, 6L80/90 BushingsNew Pressure Switch Rebuild Options for GM 6-Speed TEHCMs

Featured in this issue:8L45/90 Signal Accumulator Piston Updates & New Shuttle Valve Kit OptionsNew 9T45 Drop-in Valve & Pump Body RepairsNew 68RFE & 6L80/90 L/R Sprag Rebuild KitsNew 6R60/75/80 Center Support Snap RingNew 4L60-E & 4L80-E Heavy Duty Upgrades

Featured in this issue:The Sonnax RoadshowThe Ins & Outs of ReamingNew Fixes: ZF6HP19/26/32 & More

Featured in This Issue: Fixing Overheated Honda Converters Vacuum Testing Made Easy Sonnax Solutions for Every Rebuild

Featured in this issue:Genuine SonnaxVacuum Testing GuidesGM6L45-6L90 SolutionsNew Transmission KitsReamer Care

Featured in this Issue:68RFE Upgrades & Accumulator Piston Options You Need to Know AboutNew 8L45/90 Drop-In Zip ValvesNew Parts for Faster, Easier, More Reliable 6L80, 62TE & 6F35 Builds1000+HP Rated Input Shaft for 4L80-EGet Great Deals on Vacuum Test Equipment

Featured in this issue:A Slippery Slope: The What (and Why) of Woven CarbonNew Converter Parts48RE Converted Valve Body CHR135