EngineQuest Vortec Heads vs Factory castings

Engine Quest CH350I & Other cast heads - Don Terrill's Speed-Talk

Enginequest IMCA/WISSOTA Small Block Chevy Cylinder Heads

EngineQuest ch350c Vortec Heads, RHS, GM 906 & 062

EngineQuest Engine Cylinder Head Assembly CH350CA; Performance 170cc Cast Iron 64cc for 1996-2003 Chevy, GM K1500 Suburban (72-99), K2500 Suburban (72-99), P30 (72-99), C1500 (72-99), C1500 Suburban (72-99), C2500 Suburban (72-99), K1500 (72-99), K1500

447 HP Vortec Small-Block Build - Budget Sledgehammer

2 GM GMC CHEVY ESCALADE VORTEC 350 5.7 906 062

Printing a Post - Vortec Heads or Not? - Chevy Message Forum - Restoration and Repair Help

Enginequest Hybrid Vortec Heads - Page 2 - Don Terrill's Speed-Talk

Performance Aftermarket Chevy Small-Block Cylinder Heads

Valve Spring Kit, SB Chevy VORTEC, HI-Perf Hyd Roller, 130 Lbs Seat Pressure, VSK4H53 - Alex's Parts Sales