Dart 11820040P Cylinder Heads
1.94 Int / 1.50 Exh
Pro 1 SBC 230 Cylinder Head
The redesigned chamber features improved fuel distribution ,
spark plugs are located high and as close to the center of the
chamber as possible and five angle intake seats shear the liquid
fuel and air as it enters the chamber. The intake face, exhaust
face and exhaust ports have been redesigned, valve guide bosses are
profiled and casting walls are cleaner and more consistent,
resulting in greater control over flow, heat and combustion.
Multiple intake sizes are available to suit engines from mild
street to big-inch full competition.
- Premium alloy: Dart aluminum heads are cast from virgin
355-T61 aerospace alloy for superior strength and
- Bolt on compatibility: Standard valve angle and spacing are
retained to allow use of off the shelf pistons and valve train
- Heart shaped chambers improve combustion efficiency and fit
most standard pistons.
- Multi-angle intake seats and radiused exhaust seats
dramatically increase airflow.
- Hardened exhaust seats are compatible with unleaded
- Manganese bronze intake valve guides and phosphorous bronze
exhaust valve guides extend cylinder head life.
- Choice of angled or straight spark plugs to clear manifolds and
- Spark plug holes are machined for gasketed 3/4 reach
- 5-axis CNC bowl blended for optimal flow
- Dual exhaust bolt pattern spot is provided for easy header
- All cylinder heads sold individually.