PRW 3239022 Complete Kit Stainless Shaft Rocker Arm 1.75 Ratio For Ford 352-428 complete admin July 13, 2020 Fitment and Product Information. PRW 3239022 Complete Kit Stainless Shaft Rocker Arm 1.75 Ratio For Ford 352-428. The Performance Quotient PQX Stainless Steel rocker arms are made from 17-4ph Stainless […]