11-19 GM 2500/3500HD Allison 2WD, 20-23 6L90 4WD Transmission Mount-Green 50A Hardness (Street/Race) Pacific Performance Engineering

11-19 GM 2500/3500HD Allison 2WD, 20-23 6L90 4WD Transmission Mount-Purple 30A Hardness (OEM Firmness/Street) Pacific Performance Engineering

2001-2016 GM 6.6L Duramax Bolt Kit for Flywheel Flexplate 8pc 12pt Head PPE

Heavy Duty Flexplate Bolt Kit for 2001-2025 Silverado/Sierra 6.6L Duramax Diesel Gator Fasteners

Co-Pilot Transmission Kit 2011-15 GM 6 Speed Allison 1000 24 Pin ATS Diesel