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Part number: 11321112P
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Product Details
Dart 11321112P Pro 1 High Performance Cylinder Head, 200cc
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 Location Standard
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) 200cc
Intake Runners 200cc
Intake Valve Angle 23
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 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 Guides Included Yes
Valve Seat Machine Style 4-angle intake/3-angle exhaust
Valve Seat Material Ductile iron
Valve Seats Machined Yes
Valve Springs Included Yes
Valve Stem Seal Style PC seal
Valve Stem Seals Included Yes
Valves 2.02 Int / 1.60 Exh

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: 200cc intake ports, 64cc combustion chamber, 1.437 double springs, 2.02/1.60 valves. - 200cc cylinder heads are optimal for engines with 327 to 383 cubic in displacement reaching around 5,500 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.
Reviews
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C
The shipping cost was great.
D
great so far. lets see how long it takes to get here !!!!!       Delivery time was very good. This was the first time I shopped here and found it to be business as it should be!!! I will shop here again!!!
W
Great pricing and quick shipping.  GREAT
S
Awsome service and prices,Thanks alot
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