id suggest a 3L instead of a 2.5L, as they are the same size but more powerful. if you still want a 2.5L im sure theres someone on here that would sell you 2.5L parts, i know ill ahve some for sale after i put the 3L in

Russell Oval Port 3L Nearly Done MTX75 w/ Homebrew Zetec FD and Torsen Complete