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Dart 11221112P Pro 1 High Performance Cylinder Head

Manufacturer

Dart

<p>Dart is committed to producing the best engine components available. All development, machining and assembly are done at Dart&rsquo;s own facilities in order to maintain the highest standards of quality. State of the art CNC machining centers, a computer controlled dynamometer and the proprietary &ldquo;Speed Flow&rdquo; technology / wet flow bench are among the assets which contribute to &ldquo;the Dart advantage&rdquo;.</p>

Picture for manufacturer Dart 10220010 in our Cylinder Heads Deptartment

Part Number

11221112P
4 reviews
04/18/2034 3:25 AM
Sale Price

$1,247.83

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Product Details

Dart 11221112P Pro 1 High Performance Cylinder Head



FULLY CNC PORTED.

Dart's Pro 1 heads for small block Chevrolet engines are ideal for street performance enthusiasts and weekend racers alike. These heads are powerful, lightweight, affordable and come fully assembled with valves and springs. Specifications: 180cc intake ports, 72cc combustion chamber, 1.437 double springs, 2.02/1.60 valves. - The 1.437 double spring is intended primarily for engine applications using a hydraulic roller cam. - Cylinder heads sold individually, set required for engine use.

  • Made start to finish in the U.S.A.
  • Works with virtually all factory standard parts.
  • Proven technology tested for the race track and for the street.
  • Cast from premium C355-T61 aircraft aluminum.
  • Developed to produce maximum horsepower and efficiency.

Products specifications

Accessory Bolt Holes Drilled

Yes

Calculator

Compression Calculator

CNC-Machined Combustion Chamber

No

CNC-Machined Exhaust Runner

No

CNC-Machined Intake Runner

No

Comb Chamber

72cc

Combustion Chamber Style

Heart

Combustion Chamber Volume (cc)

72

Cylinder Head Finish

Natural

Cylinder Head Material

Aluminum

Cylinder Head Style

Assembled

Damper Spring Included

No

Exhaust Port Shape

Square

Exhaust Runner Volume (cc)

75cc

Exhaust Valve Angle

23

Exhaust Valve Diameter (in)

1.600 in.

Exhaust Valves Included

Yes

Guideplate Pushrod Size

5/16 in.

Guideplates Included

Yes

Heat Crossover

No

Intake Port Location

Standard

Intake Runner Volume (cc)

180cc

Intake Runners

180cc

Intake Valve Angle

23

Intake Valve Diameter (in)

2.020 in.

Intake Valves Included

Yes

Lock Style

7 degree

Locks Included

Yes

Machined for O-Ring

No

Maximum Valve Lift (in)

0.620 in.

Number of Springs Per Valve

Dual

Oiling Style

Through pushrod

Outside Diameter of Outer Spring (in)

1.437 in.

Quantity

Sold individually.

Retainer Material

Steel

Retainers Included

Yes

Rocker Arm Nuts Included

No

Rocker Arm Studs Included

No

Rocker Arms Included

No

Spark Plug Style

Straight

Steam Holes Drilled

No

Valve Cover Mounting Style

Center and perimeter bolt

Valve Guide Material

Manganese bronze

Valve Seat Machine Style

4-angle intake/3-angle exhaust

Valve Seat Material

Ductile iron

Valve Seats Machined

Yes

Valve Stem Seal Style

PC seal

Valves

2.02 Int / 1.60 Exh

Ordered monroe struts and shocks best price I could find. Will order again from Autoplicity when I need something else for one of my cars.

Great price, wicked fast shipping. Will order from these guys again!

Good

Great experience. Good service. Reasonable prices.

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