ok people...it's like this...180sx was made through 99....just because the valve cover is red meens nothing...look at the head..see the lines on it. like 20 or 30 of them...that meens it's a blacktop sr20det....

and here is one with no lines it is a red top,.

wow that was hard...
plus the blacktops valve cover uses open end nuts. and the redtop uses closed end nuts.

and here is one with no lines it is a red top,.

wow that was hard...
plus the blacktops valve cover uses open end nuts. and the redtop uses closed end nuts.
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