Originally Posted by
matraca112
the early sr came with t25 and the late ones came with t28 they all have the same blot pattern to go with a t3
the early sr (redtop) as well as the later 180sx sr's (blacktop) had t25's and the s14 and s15 sr's had t28's although the s15 one was a ball bearing unit. also the ca18det's came with a t25 although they weren't as efficient as later ones.