B&M Hi Tek Deep Trans Pan for GM TH400 Transmission 20280 Sale 6 V8 1960 1963 93356 FBHB 6 V8 1960 1963 GMC 1500 Series 283 4 Connects to Hurst Manual Shifters Additional Fluid Capacity (qts) 2 Brand B&M California Proposition 65 Chemical Name Chromium (hexavalent compounds) California Proposition 65 Required Yes Drain Plug Included Yes Drain Plug Kit Yes Emission Code 5 Filter Extension Included Yes Filter Included No Gasket Included Yes Instructions Included Yes Material Cast Aluminum Mounting Hardware Yes Product Type Automatic Transmission Oil Pan Style Deep Temperature Sensor Bung Yes Transmission Type GM TH400 Warning California Proposition 65 Our Hi Tek deep transmission pans are constructed from A356 T6 aluminum and are cast with thick internal and external fins