Quote:
Originally Posted by Run to Rund
I believe Jerico has discontinued the DR4 and only offer the DR4-4 now. Also they no longer offer the top and bottom cover cases. When I got my DR4 in 2007, Scott did not feel there was any reason for me to get the -4 at my power level, but he did recommend the high quality aluminum top loader case that I believe is now standard. He said that the GM 26 spline input is a bit stronger than the 18 splline hemi input, and the input nose is .25" longer than stock to fit the pilot bearing better with the bellhousing's block plate.
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you are correct, you cant get the dr4 anymore..only the Rev 4