Ford SB 289 302 351 Windsor Flat Guide Plates (5/16" P/Rod- 7/16" S/H - 2Pc Adj)

You need guideplates to keep your pushrods from deflecting under high-rpm conditions. That's just what our PCE guideplate sets do, they are made from 5140 Chromoly steel, nitrided and black oxide coated for corrosion and wear resistance.