SAGINAW P SERIES POWER STEERING PUMP (3/4" PRESS FIT OR 5/8" KEYWAY). 429 & 460 FORD BIG BLOCK. Big Block Ford Power Steering bracket machined in USA from 3/8" 6061-T6 Aluminum. We made this bracket great by adding 2 rear supports (1.00" and 1/2" thick aluminum ) avoiding deflections and keeping the great look.