Originally Posted by
marble hatch
hmmm its a redtop by appearence but it indeed does have a blacktop head... note the ridges on the front of the head.
i dont know, i bought the motor as a "red-top" s13 motor like a year and a half ago, and this is what i got, it came with a red valve cover and everything, so i dont know. from the paperwork i have, it is an s13 "redtop" sr20det