CH465 M/T Input . GM CH465/Muncie SM465 Manual Transmission 1988 & Newer must use early input bearing Features and Benefits: GM CH465/Muncie SM465 Manual Transmission 1988 & Newer must use early input bearing Details: AAP UDA 4: 50 Application Summary: 1988-1991 Chevrolet K1500 (Transmission Code: SM465/M20 & Transmission Base Gear: 4 & Transmission Control Type: Manual / Note: CH465 Manual Transmission, Input Shaft, 17 Tooth, 9-5/8 inch. Long, 1-1/16 inch. 10 Spline) 1988-1991 Chevrolet K2500 (Transmission Code: SM465/M20 & Transmission Base Gear: 4 & Transmission Control Type: Manual / Note: CH465 Manual Transmission, Input Shaft, 17 Tooth, 9-5/8 inch. Long, 1-1/16 inch. 10 Spline) 1988-1991 Chevrolet K3500 (Transmission Code: SM465/M20 & Transmission Base Gear: 4 & Transmission Control Type: Manual / Note: CH465 Manual Transmission, Input Shaft, 17 Tooth, 9-5/8 inch. Long, 1-1/16 inch. 10 Spline) 1988-1991 GMC K1500 (Transmission Code: SM465/M20 & Transmission Base Gear: 4 & Transmission Control Type: Manual / Note: CH465 Manual Transmission, Input Shaft, 17 Tooth, 9-5/8 inch. Long, 1-1/16 inch. 10 Spline) 1988-1991 GMC K2500 (Transmission Code: SM465/M20 & Transmission Base Gear: 4 & Transmission Control Type: Manual / Note: CH465 Manual Transmission, Input Shaft, 17 Tooth, 9-5/8 inch. Long, 1-1/16 inch. 10 Spline) 1988-1991 GMC K3500 (Transmission Code: SM465/M20 & Transmission Base Gear: 4 & Transmission Control Type: Manual / Note: CH465 Manual Transmission, Input Shaft, 17 Tooth, 9-5/8 inch. Long, 1-1/16 inch. 10 Spline)