Pontiac 326 400 455 Flat Guide Plates (5/16" Pushrod - 7/16" Stud Hole - 1 Pc.) Install your valve covers properly

Install your valve covers properly with Speedmaster valve cover bolts

Speedmaster shifters designed to fit most 3 or 4-speed automatic transmissions

valve cover gaskets

fuel injectors

The Speedmaster billet handle engine oil dipsticks will add some style to your engine compartment

Pontiac 326 400 455 Flat Guide Plates (5/16" Pushrod - 7/16" Stud Hole - 1 Pc.) Install your valve covers properlyYou 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.