OBS = old body style 88-98
NBS = new body style 99-2007 classic
NNBS = slang for Newest New body style
OBS = old body style 88-98
NBS = new body style 99-2007 classic
NNBS = slang for Newest New body style
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709
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