Chevy SBC 350 Raised Guide Plates (5/16" Pushrod - 7/16" Stud Hole - 1 Piece) Pinit $18.00 SKU: PCE251.1007 You need guideplates to keep your pushrods from deflecting under high-rpm conditions. That's just what our Speedmaster guideplate sets do, they are made from 5140 Chromoly steel, nitrided and black oxide coated for corrosion and wear resistance. Out of Stock Quantity -+ Details Brand:SpeedmasterPart Number:PCE251.1007Part Type:GuideplateGuideplate Pushrod Size:5/16 in.Guideplate Style:RaisedGuideplate Material:SteelGuideplate... DetailsBackDetailsBrand:SpeedmasterPart Number:PCE251.1007Part Type:GuideplateGuideplate Pushrod Size:5/16 in.Guideplate Style:RaisedGuideplate Material:SteelGuideplate Finish:Black oxideStud Size:7/16 in.Machine Work Required:NoQuantity:Sold as a set of 8.See MoreSee Less