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Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled View larger
    Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
    Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled

Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled

Buy Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled, Model DRT126221 online. Engines and Components,Engines And Components

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Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled

Dart SHP Aluminum 23° Cylinder Heads

The Dart SHP is a cast from A356-T6 aluminum and designed to work with off-the-shelf components. Standard valve angle and spacing. Features include multi-angle intake seats, radiused exhaust seats, manganese-bronze valve guides, screw-in rocker arm studs, machined 1.250" or 1.437" valve springs, and straight spark plug configuration.

  • Cylinder Head 
  • SHP
  • Assembled
  • 2.020 / 1.600 in Valve - 180 cc Intake - 72 cc Chamber - 1.550 in Springs 
  • Aluminum 
  • Small Block Chevy
  • Sold as Each 
  • MPN: 126221

Specifications

Brand Dart
Part Number 126221
Product Line
SHP
Assembled/Bare
Assembled
Chamber Volume
72 cc
Plug Angle
Straight
Intake Runner Volume
180 cc
Exhaust Runner Volume
70 cc
Intake Port Shape
Rectangle
Intake Port Location
Stock
Intake Port Height
2.025 in
Intake Port Width
1.225 in
Exhaust Port Shape
Square
Exhaust Port Location
Stock
Exhaust Port Height
1.525 in
Exhaust Port Width
1.450 in
Intake Valve Size
2.020 in
Intake Valve Included
Yes
Exhaust Valve Size
1.600 in
Exhaust Valve Included
Yes
Valve Spring Included
Yes
Valve Spring Diameter
1.550 in
Valve Spring Retainers Included
Yes
Valve Spring Retainer Material
Steel
Valve Locks Included
Yes
Valve Seal Included
Yes
Valve Seal Style
Positive Stop
Rocker Studs Included
Yes
Pushrod Guide Plate Included
Yes
Guide Plate Pushrod Size
5/16 in
Valve Guide Included
Yes
Valve Guide Material
Manganese 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
23 Degree
Exhaust Valve Angle
23 Degree
Accessory Bolt Holes
Drilled and Tapped
Material
Aluminum
Color
Natural
Finish
Natural
Quantity
Each

Description

Product code: Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
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Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled
Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled

Dart SBC SHP Cylinder Head 126221 - 180cc/72cc SP - Assembled