Small-Port Vortec Bowtie Cylinder Head Assembly

Small-Port Vortec Bowtie Cylinder Head Assembly

SKU:
G19331470
£1,262.54
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Special order from USA - ETA to arrive is 8-10 weeks. If you require an express air-freight please contact us for a quote.

Description
  • Completely assembled, ready to bolt on
  • 185cc intake ports
  • 65cc exhaust ports
  • Use Fel-Pro® Part Number 1470 exhaust gasket
  • Bare head Part Number 19331471, available separately

Vortec Bowtie Cylinder Head Technical Notes:

  • Cast-iron small runner or large runner cylinder heads*
  • 62cc combustion chambers
  • .450" deck thickness
  • Hardened exhaust valve seats
  • Machined for 2.000"/1.550" valves
  • Maximum .530" valve lift (without modifications)
  • Straight spark plug design
  • No heat risers
  • Drilled and tapped for 7/16"-14 screw-in studs
  • Dual bolt patterns for Vortec and early-style intake manifolds (Vortec intakes P/N 12366573, 12496820, 12496821, 12496822 or 12489371)
  • Use intake gasket P/N 89017465 for Vortec intakes or dual pattern intake gasket P/N 19301685 for early-model intakes or Vortec design intake manifolds
  • Dual bolt patterns for perimeter-style and center-bolt valve covers
  • Vortec intake manifold three-step torque specs: 2 lb.-ft.; 9 lb.-ft.; 11 lb.-ft.

* Larger intake and exhaust ports allow for a greater volume of air to pass through the engine. The more air you flow, the more power you can make. Large-port cylinder head is discontinued.