Stop and Watch How We Built This HARD CHOPPING Sierra 😮‍💨🪓 This Truck Was Looking For a COMPLETE Performance Transformation and Got It 📌 We Built The 5.3 With a @texasspeed Stage 3 L83 Cam Kit, Dual Polished Springs, and Upgraded Pushrods 🫡 Ofcourse did The Mandatory DOD Delete Using Morel Lifters and Upgraded the Valvetrain With @cheprecision Trunnions. For Increased Acceleration and High Revving Gear Changes, We Installed a 3400 @circledspecialties Billet Converter, and Added Longtube Hea