Top Shop Product Winners of 2026
Every year, Transmission Digest accepts nominations for the top products and tools in the powertrain aftermarket. Readers vote for their favorites to determine the winners.
The results are in: we won 7 top product awards! Thank you all for your trust and support of Sonnax products – we couldn’t have done it without you.
Check out the winning products here:
- Allison 1000/2000/2400
Remanufactured Valve Bodies
- Chrysler 45/545RFE (’07-Later) & 65/66/68RFE
Heavy Duty Inner Retainer Housing Kits
- GM 6T70/75/80 (Gen. 2)
Actuator Feed Accumulator Piston Kit
- GM 8L90
Performance Converter Kits
- GM 10L1000 & 10L60/80/90 (Gen. 2)
Feed Limit Low Valve Kit
- GM TH400 & 4L80/85-E
Externally Adjustable Low/Reverse Servo Kits
- ZF8HP55/70/75
"D" Clutch Hub