lobes on your 5speed/na cams you will notice to lobes on the 5speed /na cams will be about 1/8" taller if memory serves me correct . you will need to remove the intake valve covers and remove the intake cam gears . do not mixup the cam caps Lt. to Rt. they have markings but not LT. to RT . So be careful and put everything back exactly the way it came off .$80 is a fair price . the auto tt engines did come with smaller turbos as well but you will be fine just changing the cams . it is not an easy job if its your first time so take your time and follow instructions on this site and cover any holes in the heads so you dont drop any bolts into the engine . you will notice a difference . You may need to take all the cam gears off and remove the rear timing cover plate to get the cams free , im not sure as i did all my work at the same time and had it off anyway . maybe other will chime in on that . hope that helps .