The 4L60E transmission delivers the perfect combination of strength, smoothness, and efficiency. Originally designed by General Motors, this electronically controlled four-speed transmission became the backbone of countless Chevy and GMC models. Its updated electronic system ensures precise shift timing, improved fuel economy, and enhanced driver comfort. Whether you’re rebuilding a project car or replacing a worn-out gearbox, the 4L60E transmission offers unmatched versatility. Its proven reliability makes it one of the most sought-after transmissions for vehicles like the Silverado, Trailblazer, and Pontiac GTO.