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    Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112

Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112

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Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112

Pro 1 Cylinder Heads for Big Block Chevy

Championship-winning technology in an affordable package. Aluminum heads feature 2° rolled valve angles, .300" raised exhaust ports and fast-burn combustion chambers. Available in five different intake runner volumes for a wide variety of applications, heads are also offered in fully CNC-ported versions to maximize performance. Bare castings have multi-angle valve job and bronze valve guides. This assembled version has extra long valves, springs, retainers, locks, and seals. 

  • Cylinder Head
  • Pro 1
  • Assembled
  • 2.250 / 1.880 in Valves - 310 cc Intake - 121 cc Chamber - 1.550 in Springs
  • Aluminum
  • Big Block Chevy
  • Sold as Each
  • MPN: 19100112

Specifications

Brand Dart
Part Number 19100112
Product Line
Pro 1
Assembled/Bare
Assembled
Chamber Volume
121 cc
Intake Runner Volume
310 cc
Exhaust Runner Volume
130 cc
Intake Port Shape
Rectangle
Intake Port Location
Stock
Intake Port Height
2.430 in
Intake Port Width
1.700 in
Exhaust Port Shape
Round
Exhaust Port Location
Raised
Exhaust Port Raised Distance
0.300 in
Exhaust Port Height
1.650 in
Exhaust Port Width
1.800 in
Exhaust Port Bolt Pattern
Stock
Intake Valve Size
2.250 in
Intake Valve Included
Yes
Intake Valve Material
Stainless
Intake Valve Length
5.505 in
Exhaust Valve Size
1.880 in
Exhaust Valve Included
Yes
Exhaust Valve Material
Stainless
Exhaust Valve Length
5.435 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
7/16-20 in
Pushrod Guide Plate Included
Yes
Guide Plate Pushrod Size
3/8 in
Valve Guide Included
Yes
Valve Guide Material
Bronze
Perimeter Mount Valve Cover
Yes
Valve Seat Included
Yes
Intake Valve Seat Material
Powdered Metal
Exhaust Valve Seat Material
Powdered Metal
Valve Seat Finish
Machined
Combustion Chamber Finish
As Cast
Intake Runner Finish
As Cast
Exhaust Runner Finish
As Cast
Intake Valve Angle
24 Degree
Exhaust Valve Angle
15 Degree
Accessory Bolt Holes
Drilled and Tapped
Material
Aluminum
Color
Natural
Finish
Natural
Quantity
Each

Description

Product code: Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112
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Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112
Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112
Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112
Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112
Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112
Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112
Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112
Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112
Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112

Dart BBC 310cc Pro-1 Head 121cc R/P 2.25/1.88 Assembled 19100112