Anyone who has replaced an LS rear main seal knows the fear: press it in crooked and it leaks again, and the transmission has to come back out. This tool centers the seal on the crank flange so it seats square and true the first time. Sized for the 115mm seal.
Print it solid in PETG or ABS for garage duty. Free download on Cults3D, where it has passed 330 downloads and 7,600 views.
