Dart Platinum 230cc SBC 23° Aluminum Cylinder Head 11711143P
DRT11711143P (2 in stock)Dart
Regular price
$1,323.34
Sale
Dart Pro 1 Aluminum 23° Cylinder Head
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.
- Dart Platinum 230 SBC 23° Aluminum Cylinder Head
- Dart SBC 230cc Pro-1 Head 64cc A/P 2.08/1.60 Assembled 11711143P
- Cylinder Head - Pro 1
- Assembled
- 2.080 / 1.600 in Valve - 230 cc Intake - 64 cc Chamber - 1.550 in Springs
- Angle Plug
- Aluminum
- Small Block Chevy
- Sold as Each
- MPN: 11711143P
Specifications
| Brand | Dart |
| Part Number | 11711143P |
|
Product Line
|
Pro 1
|
|
Assembled/Bare
|
Assembled
|
|
Chamber Volume
|
64 cc
|
|
Plug Angle
|
Angle
|
|
Intake Runner Volume
|
230 cc
|
|
Exhaust Runner Volume
|
75 cc
|
|
Intake Port Shape
|
Rectangle
|
|
Intake Port Location
|
Stock
|
|
Intake Port Height
|
2.180 in
|
|
Intake Port Width
|
1.210 in
|
|
Exhaust Port Shape
|
Square
|
|
Exhaust Port Location
|
Stock
|
|
Exhaust Port Height
|
1.375 in
|
|
Exhaust Port Width
|
1.325 in
|
|
Intake Valve Size
|
2.080 in
|
|
Intake Valve Included
|
Yes
|
|
Intake Valve Material
|
Stainless
|
|
Intake Valve Length
|
5.015 in
|
|
Exhaust Valve Size
|
1.600 in
|
|
Exhaust Valve Included
|
Yes
|
|
Exhaust Valve Material
|
Stainless
|
|
Exhaust Valve Length
|
5.015 in
|
|
Valve Spring Included
|
Yes
|
|
Valve Spring Diameter
|
1.550 in
|
|
Valve Spring Number
|
Dual
|
|
Valve Spring Damper
|
Yes
|
|
Valve Spring Retainers Included
|
Yes
|
|
Valve Spring Retainer Material
|
Steel
|
|
Valve Locks Included
|
Yes
|
|
Valve Lock Material
|
Steel
|
|
Valve Lock Angle
|
10 Degree
|
|
Valve Seal Included
|
Yes
|
|
Valve Seal Style
|
Positive Stop
|
|
Rocker Studs Included
|
Yes
|
|
Rocker Stud Size
|
3/8-24 in
|
|
Pushrod Guide Plate Included
|
Yes
|
|
Guide Plate Pushrod Size
|
5/16 in
|
|
Valve Guide Included
|
Yes
|
|
Valve Guide Material
|
Bronze
|
|
Perimeter Mount Valve Cover
|
Yes
|
|
Valve Seat Included
|
Yes
|
|
Intake Valve Seat Material
|
Ductile Iron
|
|
Exhaust Valve Seat Material
|
Ductile Iron
|
|
Valve Seat Finish
|
Machined
|
|
Combustion Chamber Finish
|
As Cast
|
|
Intake Runner Finish
|
As Cast
|
|
Exhaust Runner Finish
|
As Cast
|
|
Intake Valve Angle
|
23 Degree
|
|
Exhaust Valve Angle
|
23 Degree
|
|
Accessory Bolt Holes
|
Drilled and Tapped
|
|
Material
|
Aluminum
|
|
Color
|
Natural
|
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Finish
|
Natural
|
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Quantity
|
Each
|