Page 54 - 2021-22_EngineCatalogAP
P. 54

   CYLINDER HEADS
  283-400 (Cont.)
Dart Iron Eagle S/S and Platinum Eagle Heads
 Intake Comb. Plug Valve Intake Exhaust Part No. Description Runner Chamber Angle Angle Valve Valve
         DRT10024361 Bare Head, Vortec 1987-95 Intake Face 170cc 67cc Straight 23° 1.940" 1.500"
         DRT10024370 Bare, Vortec Style 165cc 67cc Straight 23° 1.940" 1.500"
         DRT10120010 Bare Head 180cc 64cc Straight 23° 2.020" 1.600"
         DRT10121111 Assembled, 1.250" Single Springs, 120 lbs. Seat Pressure 180cc 64cc Straight 23° 2.020" 1.600"
         DRT10110010 Bare Head 180cc 64cc Angle 23° 2.020" 1.600"
         DRT10110010F Bare Head 180cc 49cc Angle 23° 2.020" 1.600"
         DRT10311112P Platinum, Assembled, 1.437" Dual Springs, 130 lbs. Seat Pressure 200cc 64cc Angle 23° 2.020" 1.600"
         DRT10321112P Platinum, Assembled, 1.437" Dual Springs, 130 lbs. Seat Pressure 200cc 64cc Straight 23° 2.020" 1.600"
          DRT10310010PF Bare Head 200cc 49cc Angle 23° 2.020" 1.600"
         DRT10310010P Bare Head 200cc 64cc Angle 23° 2.020" 1.600"
         DRT10320010P Bare Head 200cc 64cc Straight 23° 2.020" 1.600"
         DRT10321111P Assembled, 1.250" Single Springs, 120 lbs. Seat Pressure 200cc 64cc Straight 23° 2.020" 1.600"
         DRT10420010P Bare Head 200cc 72cc Straight 23° 2.020" 1.600"
          DRT10510020P Bare Head 215cc 64cc Angle 23° 2.050" 1.600"
         DRT10510020PF Bare Head 215cc 49cc Angle 23° 2.050" 1.600"
         DRT10511122P Platinum, Assembled, 1.437" Dual Springs, 130 lbs. Seat Pressure 215cc 64cc Staight 23° 2.020" 1.600"
          DRT10520020P Bare Head 215cc 64cc Straight 23° 2.050" 1.600"
         DRT10521122P Platinum, Assembled, 1.437" Dual Springs, 130 lbs. Seat Pressure 215cc 64cc Straight 23° 2.050" 1.600"
         DRT10511123P Platinum, Assembled, 1.550" Dual Springs, 215 lbs. Seat Pressure 215cc 64cc Angle 23° 2.050" 1.600"
         DRT10970040 Bare Head, Fully CNC Ported, 7,000 RPM+, 400+ C.I.D. 227cc 72cc Angle 23° 2.080" 1.600"
         DRT10971143 CNC-Ported - Assembled, 1.550" Dual Springs, 135 lbs. Seat Pressure 227cc 72cc Angle 23° 2.080" 1.600"
         DRT10710040P Bare Head 230cc 64cc Angle 23° 2.080" 1.600"
         DRT10710040PF Bare Head 230cc 49cc Angle 23° 2.080" 1.600"
       DRT10720040P Bare Head 230cc 64cc Straight 23° 2.080" 1.600"
        Dart Pro 1 Aluminum Heads
The Pro 1 cylinder head incorporates Pro Stock air flow technology with small, high-velocity runners. Accepts off-the-shelf rocker arms, pistons, manifolds, and headers. Available with 200cc, 215cc, 227cc, or 230cc intake runners. Sold individually, with a multi-angle perfor- mance valve job and bronze wall valve guides.
  Part No.
Description
 Intake Runner
 Comb. Chamber
 Plug Angle
  Valve Angle
 Intake Valve
 Exhaust Valve
  DRT11310010P
Bare Head
 200cc
 64cc
 Angle
  23°
 2.020"
  1.600"
  DRT11321111P
Assembled, 1.250" Single Spring 120 lbs. Seat Pressure
 200cc
 64cc
 Straight
 23°
  2.020"
  1.600"
  DRT11320010P
Bare Head
 200cc
 64cc
 Straight
 23°
  2.020"
  1.600"
  DRT11510020P
Bare Head
 215cc
 64cc
 Angle
 23°
  2.050"
  1.600"
  DRT11511123P
Assembled, 1.550" Dual Spring, 215 lbs. Seat Pressure
 215cc
 64cc
 Angle
 23°
  2.050"
  1.600"
  DRT11970040P
Bare Head, CNC
 227cc
 64cc
 Angle
 23°
  2.080"
  1.600"
  DRT11971143P
Assembled, CNC, 1.550" Dual Spring, 215 lbs. Seat Pressure
 227cc
 64cc
 Angle
 23°
  2.080"
  1.600"
  DRT11710040P
Bare Head
 230cc
 64cc
 Angle
 23°
  2.080"
  1.600"
  DRT11711143P
Assembled, 1.550" Dual Spring, 215 lbs. Seat Pressure
 230cc
 64cc
 Angle
 23°
  2.080"
  1.600"
  DRT11721143P
Assembled, CNC, 1.550" Dual Spring, 215 lbs. Seat Pressure
 230cc
 64cc
 Straight
 23°
  2.080"
  1.600"
 DRT11980060P
Bare Head
 245cc
 66cc
 Angle
  23°
 2.100"
 1.600"
                52 2021-22 ENGINE BUILDER CATALOG
CHEVROLET SMALL BLOCK
   52   53   54   55   56