It's the black piece that the oil filter sits up against. It also has 2 hoses coming off of it.
SVT: Topmount GT3582R, SAE ? Whp ? Tq, Built motor, stock head, new #'s coming soon ;)
ZX3: RACE GAS 602whp 501tq Pump Gas SAE 454whp Garrett GT3582r, Topmount, built motor, Ported head, both Tuned by Fernando@RacingPartsSolution