Originally Posted by MMZ_TimeLord
Sorry? The five speed automatic transmission in the SRT6 is a Mercedes NAG1 'SpeedShift' transmission. The SRT8 does not. It has a W5A580 Five-Speed Automatic.
Sorry but the SRT-6 DOES have the W5A580 in it. The 2005 Limited and the 2004 automatic is the W5A330.