G56 M/T 1ST Gear Mainshaft . G56 Manual Transmission 1st Gear Mainshaft Dodge Ram Features and Benefits: G56 Manual Transmission 1st Gear Mainshaft Dodge Ram Details: AAP UDA 4: 50 Grade Type: Regular Application Summary: 2011-2018 Ram 2500 (1st) (Liter: 6.7 & Engine(ci): 408 & Cylinder: 6 & Block: L & Bore(in): 4.2126 & Bore(mm): 107.0 & Stroke(in): 4.8819 & Stroke(mm): 124.0 & Transmission Code: G56 & Transmission Base Gear: 6 & Transmission Control Type: Manual & Drive: 4WD, Rwd / Note: G56 Manual Transmission, 1st Gear Mainshaft) 2011-2018 Ram 3500 (1st) (Liter: 6.7 & Engine(ci): 408 & Cylinder: 6 & Block: L & Bore(in): 4.2126 & Bore(mm): 107.0 & Stroke(in): 4.8819 & Stroke(mm): 124.0 & Transmission Code: G56 & Transmission Base Gear: 6 & Transmission Control Type: Manual & Drive: 4WD, Rwd / Note: G56 Manual Transmission, 1st Gear Mainshaft) 2005-2010 Dodge Ram 2500 (1st) (Liter: 5.9, 6.7 & Engine(ci): 359, 408 & Cylinder: 6 & Block: L & Bore(in): 4.02, 4.2126 & Bore(mm): 102.0, 107.0 & Stroke(in): 4.72, 4.8819 & Stroke(mm): 120.0, 124.0 & Transmission Code: G56 & Transmission Base Gear: 6 & Transmission Control Type: Manual & Drive: 4WD, Rwd / Note: G56 Manual Transmission, 1st Gear Mainshaft) 2005-2010 Dodge Ram 3500 (1st) (Liter: 5.9, 6.7 & Engine(ci): 359, 408 & Cylinder: 6 & Block: L & Bore(in): 4.02, 4.2126 & Bore(mm): 102.0, 107.0 & Stroke(in): 4.72, 4.8819 & Stroke(mm): 120.0, 124.0 & Transmission Code: G56 & Transmission Base Gear: 6 & Transmission Control Type: Manual & Drive: 4WD, Rwd / Note: G56 Manual Transmission, 1st Gear Mainshaft)