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Cylinder head Chev SB PRO 1 alloy complete (pair) angle plug


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Part No: DART11711143P
Cylinder head Chev SB PRO 1 alloy complete (pair) angle plug 64cc chamber 2.08 intake 1.60 exhaust valves 230cc intake runner suit solid roller cam applications .660" max lift Dart Heads 11711143P
Additional Notes: ***Check pushrods for clearance, may need adjustable guide plates or milling***
Availability:In Stock

$4,205.72 (incl Gst)

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  Your Price $3,657.15
Pro1 Small Block Chevy Cylinder Heads

Dart's highly popular small block Pro 1 heads utilize wet flow technology for optimal design. Independent tests have demonstrated an average 25 horsepower gain over the previous Pro 1 design.

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.

Features:
• Premium alloy: Dart aluminum heads are cast from virgin C355-T61 aerospace alloy for superior strength and integrity.
• Bolt on compatibility: Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components.
• 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 gasoline.
• Manganese bronze valve guides extend cylinder head life.
• Spark plug holes are machined for gasketed 3/4" reach plugs.
• Dual exhaust bolt pattern spot is provided for easy header fitment.


 
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Fitment

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