Get 20% more clutch capacity and keep hardworking trucks on the road.
The GM 4L60/E series are great transmissions used for decades in performance vehicles, but their reputation has somewhat suffered because old-school mods never significantly improved durability. Especially in extreme racing applications, modern horsepower demands modern parts, and that's what Sonnax delivers.
Watch this video to see how to transform a 4L60-E, 4L65-E or 4L70-E into a top-tier performance transmission with Sonnax Level 3 build components.
Old man winter is here for the long haul. Is your driveshaft assembly strong enough to last? Plow through this winter weather checklist to ensure it's ready to take on the toughest driving conditions.
In this edition, you'll learn new tech tips, get the scoop on the latest transmission products and more! Featured topics include:
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