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Chevrolet Performance Small Block Chevy Small Port Vortec Cylinder Heads


Chevrolet Performance
Chevrolet Performance Small Block Chevy Small Port Vortec Cylinder Heads

Small Block Chevy Bow Tie Small Port Cast Iron Vortec Cylinder Heads are Chevrolet Performance's most powerful cast iron cylinder head designed for street or race applications in the 400-450 horsepower range. As upgraded production heads, they have a thicker deck surface, small runners, bigger valves, and combustion chambers with exceptional low-lift flow numbers. These cylinder heads provide Chevy's Fast Burn performance in an affordable cast iron option.

Features
  • Cast iron
  • No heat risers
  • Intake Ports: 185cc
  • Exhaust Ports: 65cc
  • Deck Thickness: .450''
  • Popular in short track racing
  • Combustion Chambers: 66cc
  • Hardened exhaust valve seats
  • Machined for 2.00''/1.55'' valves
  • Drilled & tapped for 7/16''-14 screw-in studs
  • .530'' maximum valve lift without modification
  • Cast Logos: Vortec (intake port roof), GM (intake port floor), Bow Tie (exhaust side)
  • Dual bolt patterns for: perimeter and centerbolt valve covers & early model and Vortec intake manifolds


  • 1 Product
    Bow Tie Small Port Vortec Cylinder Heads
  • Small Block Chevy
  • Sold Individually

  • 809-25534351
    Small Port Cast Iron Vortec Cylinder Head
  • Bare
  • $328.99
    Order Today Ships 01/05/15

    1 Product