Dart Platinum 227cc CNC SBC 23° Aluminum Cylinder Head 11971143P
DRT11971143P (6 in stock)Dart
Regular price
$2,241.57
Sale
Dart Pro 1 Aluminum 23° Cylinder Heads
The Pro 1 cylinder head incorporates Pro Stock air flow technology with small, high-velocity runners. It accepts off-the-shelf rocker arms, pistons, manifolds, and headers. Available with 200cc, 215cc, 227cc, or 230cc intake runners with a multi-angle performance valve job and bronze wall valve guides.
- Platinum 227 CNC SBC 23° Aluminum Cylinder Head
- Dart SBC 227cc Pro-1 Head 66cc A/P 2.08/1.60 Assembled 11971143P
- Cylinder Head - Pro 1 CNC
- Assembled
- 2.080 / 1.600 in Valve - 227 cc Intake - 66 cc Chamber - 1.550 in Springs
- Angle Plug
- Aluminum
- Small Block Chevy
- Sold as Each
- MPN: 11971143P
Tech Sheet
Dart Platinum CNC SBC Aluminum Cylinder Head 11970040P Tech Sheet
Specifications
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Brand
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Dart
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Part Number
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11971143P
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Product Line
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Pro 1 CNC
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Assembled/Bare
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Assembled
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Chamber Volume
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66 cc
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Plug Angle
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Angle
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Intake Runner Volume
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227 cc
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Exhaust Runner Volume
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85 cc
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Intake Port Shape
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Rectangle
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Intake Port Location
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Stock
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Intake Port Height
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2.200 in
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Intake Port Width
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1.310 in
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Exhaust Port Shape
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Round
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Exhaust Port Location
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Stock
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Exhaust Port Height
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1.410 in
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Exhaust Port Width
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1.585 in
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Intake Valve Size
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2.080 in
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Intake Valve Included
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Yes
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Intake Valve Material
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Stainless
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Intake Valve Length
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5.015 in
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Exhaust Valve Size
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1.600 in
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Exhaust Valve Included
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Yes
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Exhaust Valve Material
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Stainless
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Exhaust Valve Length
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5.015 in
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Valve Spring Included
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Yes
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Valve Spring Diameter
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1.550 in
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Valve Spring Number
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Dual
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Valve Spring Damper
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Yes
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Valve Spring Retainers Included
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Yes
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Valve Spring Retainer Material
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Titanium
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Valve Locks Included
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Yes
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Valve Lock Material
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Steel
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Valve Lock Angle
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10 Degree
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Valve Seal Included
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Yes
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Valve Seal Style
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Positive Stop
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Rocker Studs Included
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Yes
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Rocker Stud Size
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3/8-24 in
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Pushrod Guide Plate Included
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Yes
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Guide Plate Pushrod Size
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5/16 in
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Valve Guide Included
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Yes
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Valve Guide Material
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Bronze
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Perimeter Mount Valve Cover
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Yes
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Valve Seat Included
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Yes
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Intake Valve Seat Material
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Ductile Iron
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Exhaust Valve Seat Material
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Ductile Iron
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Valve Seat Finish
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Machined
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Combustion Chamber Finish
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CNC Machined
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Intake Runner Finish
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CNC Machined
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Exhaust Runner Finish
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CNC Machined
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Intake Valve Angle
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23 Degree
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Exhaust Valve Angle
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23 Degree
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Accessory Bolt Holes
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Drilled and Tapped
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Material
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Aluminum
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Color
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Natural
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Finish
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Natural
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Quantity
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Each
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