Jenko's - YouTube
12.5 second L67. . and that was over 5 years ago, closer to 6
2000 for an intercooler
1000 for a cam, springs, gaskets ect
500 for a YT snout and pulley
200 for diff gears
400 for extractors
400 for exhaust (stock cats)
2000 for gearbox and convertor
pretty basic package...