Small-Port Vortec Bowtie Bare Cylinder Head
Original price was: $779.79.$719.36Current price is: $719.36.
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Vortec Bowtie cylinder heads are the most powerful cast-iron heads offered by Chevrolet Performance. These upgraded production cylinder heads are ideal for 400-450 horsepower street and racing (great for circle track applications) engines. The heads provide outstanding low-lift flow numbers (the more air you flow, the more potential power) and Fast Burn performance all in an affordable, cast-iron head.
- The most powerful cast-iron heads offered by Chevy Performance
- 185cc intake ports; 65cc exhaust ports
- 66cc combustion chambers
- Price is PER HEAD
- Use Fel-Pro® P/N 1470 exhaust gasket
- Assembled head P/N 19331470, available separately
Bowtie Bare Cylinder Head
These upgraded production cylinder heads are ideal for 400-450 horsepower street and racing engines, making them great for circle track applications. The heads provide outstanding low-lift flow numbers and Fast Burn performance all in an affordable, cast-iron head.
What’s Included:
- 185cc intake ports
- 65cc exhaust ports
- Use Fel-Pro® P/N 1470 exhaust gasket
Important Notes
- Assembled head P/N 19331470, available separately
- 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
- 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.
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Bare Vortec Bowtie Cylinder Head Tech Specs:
- P/N: 19331471
- Cast-iron small runner or large runner cylinder heads
- 66cc combustion chambers
- 0.450″ deck thickness
- Hardened exhaust valve seats
- Machined for 2.000″/1.550″ valves
- Maximum 0.530″ 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 (early model P/N 10051103; Vortec intakes P/N 12366573, 12496820, 12496821, 12496822, or 12489371)
- 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.
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