Advance Adapter This 700R / 4L60E adapter to Atlas 2 speed & 4 speed transfer case is 2.5" in length and manufactured from strong 356-T6 heat treated aluminum alloy. The adapter will require the GM automatic 700R / 4L60E to be a 4wd model using the stock GM output shafts. Note: We offer a heavy duty transmission mount (sold separately) for our AS-9111 adapter. This heavy duty mount was designed to work exact for this application and is different from other optional heavy duty mounts that we offer in our product line. P/N 716055 Heavy Duty transmission mount for the AS-9111. Transmission The AS-9111 adapter can be used with any GM 4 speed automatic 700R / 4L60 / 4L60E 4wd transmissions. Note: The GM 4L60E speed automatic transmission will require additional adapter parts (sold separately) to support the mandatory vehicle speed sensor (VSS) requirements. 4L60E model years 1993-96 use kit PN716073E. 4l60E / 4L65E 1997 to current use kit P/N AS-9300 full kit. Bill Of Materials 10mm X 1.5 50mm LONG STUD BOLT / 720061 NUT- 10MM X 1.50 zinc / 720011 H.H.C.S. 3/8 -16 X 3/4 PLT GR5 / 723720 ADAPTER- 700R4 TO ATLAS- 2.5 / 51-9111 PLATE- 700R4 TO 51-9111 / 716020 GM AUTO TRANSMISSION O RING / 716511