Zach Peterson 520whp by SGSash | Jun 8, 2011 Tomei SR20DET This is Zach Peterson’s Tomei built SG wired/tuned SR20DET. S14, Tomei cams, solid lifters, pistons, rods. The size of the turbo eludes me at this point. This pull was at 20 pounds. Photo Credit: Brody Goble