Sonnax high performance transmission products meet the toughest challenges faced by hard-working, daily-use transmissions as well as racing units going all-out on the street or track. Products range from innovative upgrades designed to fix everyday problems rebuilders see in their shops to an extensive line of Powerglide components.
Get 20% more clutch capacity and keep hardworking trucks on the road.
Regardless of the transmission, Sonnax Smart-Tech products are the best of the best. Through a fusion of top-notch expertise, innovative engineering, technical mastery and precision manufacturing, these groundbreaking parts overcome OE limitations to deliver the ultimate in transmission performance.Learn more about Sonnax Smart-Tech
Browse our ever-expanding line of race kits, slip yokes and driveshaft components.