2020-2025 Sierra/Silverado 2500HD/3500HD 10L1000 Allison Firepunk F2 Transmission | 800HP Rated These transmissions feature: -DPC Billet Triple Disk Converter-PPE Pan-Main Harness with Speed Sensors-Firepunk/X Caliber F Clutch Shell with steel insert-Billet E Clutch Hub-Built VB-E&F GPZ Clutches and Steels-Overhaul Kit-New Pump

2020-2025 Sierra/Silverado 2500HD/3500HD 10L1000 Allison Firepunk F1 Transmission | 500HP Rated These transmissions feature: -DPC Billet Triple Disk Converter-PPE Pan-Firepunk/Xcaliber F Clutch Shell with steel insert-Built VB-E&F GPZ Clutches and Steels-Overhaul Kit