Get 20% more clutch capacity and keep hardworking trucks on the road.
Progressive pressure increase as driving conditions become more demanding.
In this edition, you'll learn new tech tips, get the scoop on essential transmission upgrades and more! Featured topics include:
Trying to find the subtle differences between Ford E4OD, 4R100 and 5R110W converters can be extremely frustrating. In this article, you’ll learn 6 key features to help you easily identify each one.
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Sonnax Industries manufactures first-class products to go along with their excellent customer service.J. Paradise
HL Performance Converters
TWO THUMBS UP. I am a loyal user of Sonnax products and they are a company that puts their customers first. Thank you for great products, and I look forward to future products!B. Cole
You can’t fix transmissions without Sonnax.Lou
Lou Vari Transmission
We love your products. I used honda PR valve and end plug kits and they work wonderful, so now we use them with every rebuild.K. Diap