Auto Dynasty Aluminum Bare Cylinder Head Compatible with Chevy Small Block 302/327/350/383/400 SBC 200cc Intake 68cc Chamber, Pack of 2

Increasing your engine's efficiency is a major way to improve performance and horsepower; the addition of performance-oriented aftermarket heads can greatly improve your engine's output by enhancing airflow and combustion efficiency.Package Included:2 X Cylinder HeadThis product is compatible with:Small Block Chevy EnginesPerfect fits for SBC engines such as 302, 327, 350, 383 and 400 small block chevy engines up to 1986Not compatible with Vortec style intake manifolds

• Vehicle Compatibility - Cylinder Head Compatible with SBC engines 302/327/350/383/400 small block chevy engines up to 1986. Not compatible with Vortec style intake manifolds
• High-Performance - Featuring a 200cc intake runner, this cylinder head enhances power while retaining stock compression for 1970 and earlier models
• Optimized Combustion - With a 68cc combustion chamber and square intake and exhaust ports, this design ensures efficient airflow and optimal performance
• Lightweight Design - Lighter than iron heads, each head weighs just 10.33kg. Featuring a 3-angle valve seat and a straight spark plug angle, this design ensures superior performance and efficiency
• Product Specifics - Intake Valve Diameter: 2.020inch | Exhaust Valve Diameter: 1.600inch | Intake Port Volume: 200cc | Combustion Chamber Volume: 68cc | Intake Port: Square | Exhaust Port: Square | Spark Plug Angle : Straight