Oldsmobile 350 400 403 425 455 Flat Guide Plates (3/8" Pushrod - 7/16" S/H 1Pc.) Pinit $12.60 SKU: PCE251.1001 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. Quantity -+ Add to Cart Details Brand: PCE Part Number: PCE251.1001 Part Type: Guideplates Guideplate Pushrod Size: 3/8 in. Guideplate Style: Flat Guideplate Mater... DetailsBackDetailsBrand:PCEPart Number:PCE251.1001Part Type:GuideplatesGuideplate Pushrod Size: 3/8 in.Guideplate Style: Flat Guideplate Material: SteelGuideplate Finish:Black oxideStud Size:7/16 in.Machine Work Required: NoQuantity: Sold as a set of 8.See MoreSee Less