THMotorsports Logo

Your cart

Your Cart

Dart 11521122P Pro 1 High Performance Cylinder Head, 215cc

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 63121202 Valvetrain

Part Number

11521122P
5 reviews
04/19/2034 4:50 PM
Sale Price

$1,247.83

Out of Stock

Notify me when available
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

Dart 11521122P Pro 1 High Performance Cylinder Head, 215cc



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: 215cc intake ports, 64cc combustion chamber, 1.437 single springs, 2.05/1.60 valves. - 215cc cylinder heads are optimal for engines with 350 to 400 cubic in displacement reaching around 6,000 max rpm. - 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

64cc

Combustion Chamber Style

Heart

Combustion Chamber Volume (cc)

64

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)

215cc

Intake Runners

215cc

Intake Valve Angle

23

Intake Valve Diameter (in)

2.050 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

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

2.05 Int / 1.60 Exh

Lowest price I could find in the net. It was easy to order. Delivered on time. I'll buy again.

Great pricing, fast shipping, A+++

Extremely fast shipping - shipped the next business day and I was notified via email about everything. Also, VERY good pricing on the products AND shipping. Thanks!

Great product and half the price of any one else I've shopped would recommend this to everyone.

Quick and easy

Share icon
Return Policy
Returns are easy at THMotorsports

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy