Small-Port Vortec Bowtie Cylinder Head Assembly
$1,078.20
- The most powerful cast-iron heads offered by Chevy Performance
- Completely assembled, ready to bolt on
- 185cc intake ports; 65cc exhaust ports
- 66cc combustion chambers
- Price is PER HEAD
Small Port Vortec Bowtie Cylinder Head Assembly
P/N 19331470
– Completely assembled, ready to bolt on
– 185cc intake ports
– 65cc exhaust ports
– Use Fel-Pro® P/N 1470 exhaust gasket
– Bare head P/N 19331471, available separa
Vortec Bowtie Cylinder Head Technical Notes:
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)
– 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.
Note: 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.
| Brand | |
|---|---|
| Replaces/Supersedes | 25534421 |
Vortec Bowtie Cylinder Head Assembly
19331470 Chevrolet Cylinder Head
Small Port
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. A Vortec Bowtie cylinder head comes with bigger valves, a thicker deck surface and 66cc combustion chambers. 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.
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.