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Chevrolet Performance 12558060K1 - Chevrolet Performance Small Block Chevy Cast Iron Vortec Cylinder Heads

Chevrolet Performance 12558060K1 - Chevrolet Performance Small Block Chevy Cast Iron Vortec Cylinder Heads

Chevrolet Performance#809-12558060K1

Vortec Top End Kit Includes:
  • Cylinder Heads
  • Intake
  • Head Gaskets
  • Head Bolts
  • Intake Gasket
  • Intake Bolts

    Chevrolet Performance 12558060K1 - Chevrolet Performance Small Block Chevy Cast Iron Vortec Cylinder Heads Details

    Vortec Top End Kit

  • GM Performance SB-Chevy Cast Iron Vortec Cylinder Heads (2) (809-12558060)
  • JEGS Champion Series 331 Intake (555-513002)
  • JEGS Head Gaskets (2) (555-210041)
  • JEGS Head Bolt Kit (555-83400)
  • JEGS Intake Gaskets (555-210003)
  • JEGS Intake Bolt Kit (555-83201)

  • Chevrolet Performance 12558060K1 - Chevrolet Performance Small Block Chevy Cast Iron Vortec Cylinder Heads

    America's favorite high-performance cast iron small block cylinder heads offer big power and bigger value. Chevrolet Vortec Cylinder Heads' fast burn combustion chamber and high-velocity ports combine to produce big horsepower. Vortec Heads can be mildly ported for additional performance and milled up to .040'' for increased compression ratio. The Vortec Head uses 1.94'' intake valves and 1.50'' exhaust valves to complement the high-velocity port design. Vortec Heads outflow Bow Tie Heads right out of the box and are a 20 to 40 horsepower bolt-on increase over earlier cast iron small block heads. Vortec Heads require a Vortec-style intake manifold due to an improved manifold mounting flange and gasket design and raised intake ports. Modifying the heads to accept early intake manifolds is not recommended. Vortec Cylinder Heads fit all 1955-Present small blocks except LT1/LT4 reverse coolant flow engines and current LS1-style engines.

    JEGS Easy Kits are designed by JEGS professionals so you get all the parts you need.

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