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Vehicle Info NeededCHEVROLET PERFORMANCEPART NUMBER: 809-25534446K
Large Port Cast Iron Vortec Cylinder Head Kit Includes: Pair of Cylinder Heads #809-25534446
$1,78598
Ships on 11/06/2026
Lowest Price GuaranteeBow Tie Large Port Vortec Cylinder Head Kit
- Large Port Cast Iron Vortec Cylinder Head Kit
- Pair of Cylinder Heads #809-25534446
- Head Gaskets #555-210041
- Head Bolts #555-83400
- Intake Manifold #555-513002
- Intake Gaskets #555-210003
- Intake Bolts #555-83201
Kit Contents - Chevrolet Performance Large Port Cast Iron Vortec Cylinder Heads 809-25534446
- JEGS Cylinder Head Gaskets 555-210041
- JEGS Cylinder Head Bolts 555-83400
- JEGS Champion Series 331 Dual Plane Aluminum Vortec Intake Manifold 555-513002
- JEGS Intake Manifold Gaskets 555-210003
- JEGS Intake Manifold Bolts 555-83201
Includes:
- Small Block Chevy Bow Tie Large 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, large 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.
- Cast iron
- No heat risers
- Intake Ports: 225cc
- Exhaust Ports: 77cc
- Combustion Chambers: 65cc
- Improved airflow (281 cfm at .600'')
- Deck Thickness: .450''
- Hardened exhaust valve seats
- Machined for 2.00''/1.55'' valves
- Popular in short track racing
- 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
JEGS Easy Kits are designed by JEGS professionals so you get all the parts you need.
Features
Product LineChevrolet Performance Small Block Chevy Large Port Vortec Cylinder Heads
BrandCHEVROLET PERFORMANCE
Part CategoryPerformance Parts
Vendor Part Number25534446K
Package Qty1
Package TypeEA
Some parts are not legal for use in California or other states with similar laws / regulations
