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Dart 13211112 Cylinder Heads

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 31283645 Big M Block

Part Number

13211112
14 reviews
04/26/2034 10:41 PM
Sale Price

$1,263.00

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Product Details

Dart 13211112 Cylinder Heads



FULLY CNC PORTED.

Pro 1 Ford Cyl Head
1.437 Dual Springs

The ports and chambers in our Pro 1 Ford cylinder heads have been designed using Darts sophisticated wet flow technology for superior fuel atomization and air flow characteristics. Standard valve angle and spacing is retained for bolt on compatibility.

Features:

  • Premium alloy: Dart aluminum heads are cast from virgin 355-T61 aerospace alloy for superior strength and integrity.
  • Bolt on compatibility: Standard valve angle and standard spacing accommodates all stock accessories.
  • Heart shaped chambers improve combustion efficiency.
  • Exhaust runners are raised .135 for improved flow.
  • Multi-angle intake seats and radiused exhaust seats improve flow efficiency.
  • Hardened exhaust seats are compatible with unleaded gasoline.
  • Exhaust flange uses the standard bolt pattern.
  • Manganese bronze valve guides ensure long term reliability.
  • All cylinder heads sold individually.

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

62cc

Combustion Chamber Style

Heart

Combustion Chamber Volume (cc)

62

Cylinder Head Finish

Natural

Cylinder Head Material

Aluminum

Cylinder Head Style

Assembled

Damper Spring Included

No

Exhaust Port Shape

Rectangular

Exhaust Runner Volume (cc)

75cc

Exhaust Valve Angle

15

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)

195cc

Intake Runners

195cc

Intake Valve Angle

24

Intake Valve Diameter (in)

2.020 in.

Intake Valves Included

Yes

Lock Style

10 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 Nut Thread Size

3/8-24 in.

Rocker Arm Nuts Included

No

Rocker Arm Studs Included

Yes

Rocker Arms Included

No

Spark Plug Style

Angle

Steam Holes Drilled

No

Valve Cover Mounting Style

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

Placed 2 separate orders for what I was looking for and both items were delivered within 2 days of placing the order. Keep up the great work.

Easy and quick to navigate

Fast shipping. Product arrived in good condition

Great price and fast shipping. Thank you

fast service but the box was all messed up+ held together with tape

Awesome

This was nice and easy thanks

VERY PLEASED AND IMPRESSED WITH THE SIMPLICITY OF YOUR ORDERING PROCESS

Easy pay option through Amazon.

Had issue with return they corrected issue so I am ordering again

BREST PRICE AND EASY BUYING

Fair price, saved about 40bucks. national cycle Street Shield EX for my Harley Sportster. easy to nav. web site.

Great service. fast shiping!

Very helpful that you had most all Walker exhaust components that I need to fully replace my Tacoma's exhaust system. I would suggest updating pictures of some parts to better represent the part. As an example, Walker #31585 has the picture of #31320 when

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