Small-Port Vortec Bowtie Bare Cylinder Head
$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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WARNING: These auto parts can expose you to chemicals including phthalates and lead. Installing or using these parts can expose you to other parts containing these chemicals and to engine exhaust, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
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