Vortec heads, without the vortec look?

TBI to Vortec head conversion

Rebuilding Junkyard SBC Vortec Cylinder Heads

GM 383 Dressed Engine Cast Iron Vortec Heads Flat Tappet Cam 405 HP / 440 FT LBS - American Powertrain - TREMEC Conversion Specialists

EngineQuest ch350c Vortec Heads, RHS, GM 906 & 062

Part # : 10239906, also fits 062, 12558062. information : Cylinder heads are assembled here in the U.S. This warranty does NOT cover the following Any

New Chevrolet Chevy GM Marine 5.7L 350 Vortec Cylinder Heads 906 / 062 PAIR

Chevy 350 Vortec Casting # 062/906 Bare

The History of SBC Cylinder Heads

Highest grade of material used in manufacturing Thicker decks for greater strength & superior port finish for increased flow Improved flow design to

NEW Chevy 350 5.7 VORTEC L31 Cylinder Heads PAIR # 906 062 Suburban 1996-2002 (CORE RETURN REQUIRED)

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