EngineQuest, Chev SB Vortec, Performance Cast Iron Heads, 170cc/58cc, Straight Plug, Bare, Each-Competition Products

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

Custom Chevy 235 Engine w/ Finned parts - V6 Straight Six 6 Stovebolt – IcemanCollections

This head is engraved and serial numbered by Engine Quest for IMCAs Sport Mods, Stock Cars, and Hobby Stocks. Now approved for WISSOTA Midwest Mods

Engine Quest EQ SB Chevy IMCA-Legal Cast Iron Cylinder Heads

Chevrolet Performance Parts - 12691728 - Chevrolet Performance Parts Small Block Chevy Cast Iron Vortec Cylinder Head - Complete

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EngineQuest, Chev SB Vortec Performance Cast Iron Heads, 170cc/64cc, Straight Plug, Bare, Each-Competition Products

Our heads are manufactured with both the conventional intake manifold bolt pattern, and the Vortec bolt pattern. If you're installing a Vortec

Chevy SBC 350 Vortec 180cc 64cc Straight Cast Iron Bare Cylinder Head

PRI 2018: World Products Cast Iron/Steel Cylinder Heads