stay away from the jegs ones. they're junk. I've had 2 now, sent one back for repair/replace, and the replacement failed after 6 months. used for race car.
1978 Mustang II King Cobra
89 5.0HO, Stock Short Block, Edelbrock 4bbl aluminum intake, Holley 650 double pumper, MSD 6AL, Ford F303 cam, 1.7:1 Crane Roller Rockers, Pocket Ported stock heads, Hedman Long Tube Headers
5 spd Manual
Full roll cage, 9" full floater w/Currie trac lock/373 gears, RCI Fuel Cell
Project Page: http://www.brandttuning.com/projects.htm