Chevy SBC 350 Flat Guide Plates (5/16" Pushrod - 7/16" Stud Hole - 2 Piece Adj) Speedmaster CNC ported cylinder heads

Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow

These scoops give you that classic Hilborn-style look with a polished aluminum body

highly specialized silicone magnetic steel cores

Dress up your oil system with a oil pan from PCE

Chevy SBC 350 Flat Guide Plates (5/16" Pushrod - 7/16" Stud Hole - 2 Piece Adj) Speedmaster CNC ported cylinder headsYou 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.