Order Status & Returns
Gift Cards
Help Center
1-800-345-4545
Product Discontinued
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Bow Tie Small Port Vortec Cylinder HeadsSmall Block Chevy Sold Individually
- Small Port Cast Iron Vortec Cylinder Head
- Bare
- Parts and assembly required
- Use early model Intake Manifold 809-10185063 or, for best results, Vortec Intake Manifold 809-12496820, 809-12366573, 809-12496822, or 809-12496821 (Vortec Intake Manifold 3-step torque specs: 2 ft/lbs, 9 ft/lbs, 11 ft/lbs)
- Use Intake Manifold Gaskets 809-12497760 (Dual bolt pattern)
- Use Exhaust Gaskets 375-1470 (Trimming may be necessary)
- Small Block Chevy Bow Tie Small Port Cast Iron Vortec Cylinder Heads are Chevrolet Performance's most powerful cast iron cylinder head designed for street or race applications in the 400-450 horsepower range. As upgraded production heads, they have a thicker deck surface, small runners, bigger valves, and combustion chambers with exceptional low-lift flow numbers. These cylinder heads provide Chevy's Fast Burn performance in an affordable cast iron option.Features
- Cast iron
- No heat risers
- Intake Ports: 185cc
- Exhaust Ports: 65cc
- Deck Thickness: .450''
- Popular in short track racing
- Combustion Chambers: 66cc
- Hardened exhaust valve seats
- Machined for 2.00''/1.55'' valves
- Drilled & tapped for 7/16''-14 screw-in studs
- .530'' maximum valve lift without modification
- Cast Logos: Vortec (intake port roof), GM (intake port floor), Bow Tie (exhaust side)
- Dual bolt patterns for: perimeter and centerbolt valve covers & early model and Vortec intake manifolds
Part TypeCylinder Head
Product LineChevrolet Performance Small Block Chevy Small Port Vortec Cylinder Heads
BrandCHEVROLET PERFORMANCE
Package Height8.9
Package Width9.7
Package Length23.3
Weight48.65 PG
Part CategoryPerformance Parts
Vendor Part Number25534351
Package Qty1
Package TypeEA
No Questions
No Reviews
Items You Need
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80521.jpg)
![Valve Spring Compressor [Stud Mount]](https://www.jegs.com/images/mini_200/500/555/555-80518.jpg)
![High-Strength Head Bolt Kit for Small Block Chevy [6-Point Hex Head]](https://www.jegs.com/images/mini_200/500/555/555-83400.jpg)
JEGS
High-Strength Head Bolt Kit for Small Block Chevy [6-Point Hex Head]
Part Number : 555-83400
$8799
Some parts are not legal for use in California or other states with similar laws / regulations
