Vortec heads, without the vortec look?

SBC First-Gen Heads vs. Vortec Heads Reader Identification Guide

Vortec heads, without the vortec look?

2 GM CHEVY 4.3 V6 262 VORTEC Heads Casting #140

Rebuilding Chevrolet's Gen VI Big Block Engine - Engine Builder Magazine

Hey all couple questions. I got 906 Vortec heads Im putting on my TBI 355. What I need to know is, what the max valve lift is the stock springs can handle

Edelbrock Perf EPS Manifold for Small-Block Chevy Vortec, Chrome Plasma Finish - Russell Performance

2 GM GMC CHEVY ESCALADE VORTEC 350 5.7 906 062 CYLINDER HEADS REBUILT NO CORE

GM SB Chevy Cast Iron Vortec Heads, SINGLE. 64 CC Chamber, Vortec Intake Bolt Pattern, Straight Plug. 1.94/1.50 Valves, 170 CC Intake. 450 Lift

GM 10239906 SB Chevy Vortec Heads, 1.94/1.50 Valves, 170CC Intake, 64CC, SINGLE

Tbi intake on 98 vortec heads and block.