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Dart Pro 1 Aluminum Cylinder BBC Heads

Dart Pro 1 Aluminum Cylinder BBC Heads

Dart Pro 1 Aluminum Cylinder BBC Heads

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Original Price: $1,657.00


Maximum street or marine performance, bracket racing, heads up and super classes. Over 7,000 RPM, 540+ cubic inches.

The PRO1 24° 345cc cylinder head is for uncompromising performance and racing applications which favor high RPM power over low end flexibility. Best for big cubic inch, high RPM use.

Rolled valve angles, improved spark plug location, extra long intake valves, raised exhaust ports, and fast burn chambers. Works with off the shelf pistons, valve train components, and intake manifolds.

Long wearing Bronze valve guides, screw-in studs, multi-angle intake seats with hardened, radiused exhaust seats are standard.

Assemblies include Stainless Steel valves, premium springs, locks, retainers, guide plates and seals.

Heads are sold individually.

Inspired by Dart’s championship winning Pro Stock designs, Dart Pro 1 aluminum cylinder heads cover a wide range of applications from street cars and trucks to all-out racing. Heads designed for street performance and mild bracket racing offer excellent mid-range torque and power, and are excellent for heavier vehicles. Competition heads are ideal for maximum effort naturally aspirated, big boost forced induction, or nitrous applications. Dart Marine Pro 1 cylinder heads feature an exclusive chromate surface finish to inhibit corrosion and extend the life of the head. They are also fitted with Inconel exhaust valves to withstand the extended running time and temperatures typical of marine usage.

Dart’s as-cast ports flow more than many ported designs at a much more affordable price. But they also offer fully CNC-machined heads with every intake port, exhaust runner, valve bowl, and combustion chamber shaped by their 5-axis, computer controlled machining centers to produce compound curves and complex shapes that no human could duplicate with a hand grinder.

Dart warrants that its products will be free from defects in material and workmanship under normal use for a period of 6 months. There is absolutely no warranty on any products that have been physically altered, abused, improperly installed or maintained, used in racing or improper applications, or not used in conjunction with the proper parts.

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