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Dart · 19775090

Part #: 19775090
UPC: 807051012217

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Description: Dart Pro1 20 Deg (As-Cast and CNC ) Aluminum Big Block Chevy Cylinder Heads

Description:

Description

Maximum competition, high torque, high compression low dome. 8000+ RPM, 500+ cubic inches. Dart developed the first successful aftermarket aluminum heads for the big block Chevy engine platform and we've done it again! We have continued to refine our revolutionary designs through our in house research and development program and now offer the latest of our advancements in the PRO1 20 Deg 440cc Aluminum cylinder heads. The Dart PRO1 20 Deg heads deliver superior performance, by utilizing 440cc runners in a raised asymmetrical port design, and feature a 20 Deg rolled valve angle with redesigned shallow combustion chambers. These heads are ideal for maximum effort naturally aspirated, big boost forced induction, or nitrous applications.

Features & benefits

  • Designed to use conventional BBC intake manifolds
  • Requires use of shaft mounted rockers
  • Requires special pistons
  • HIP (Hot Isostatic Pressed) Casting
  • Solid heads available by special order
  • MUST use Copper seats with Titanium Valves
  • Heads are sold individually

Information

Dart Pro1 20 Deg (As-Cast and CNC ) Aluminum Big Block Chevy Cylinder Heads

Specifications

GTIN
00807051012217
Weight
34 lb
Height
8 in
Length
24 in
Width
10.25 in
EO
Legal US
Life cycle
Available to Order
AAM brand code
DAR
Warehouse brand code
BGWK
AAIA brand code
BGWK

Attributes

CNC Ported
Yes
California Proposition 65
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Category
Cylinder Heads
Category Hierarchy
Heads>Big Block Chevy>Pro1
Combustion Chamber Volume
97.00
Cylinder Head Material
RMR Cast Aluminum Alloy
Cylinder Head Series
Pro1
EBAY Category ID
33617
Engine
Big Block
Engine - Web
Big Block
Engine Type
ICE
Exhaust Valve Diameter
1.800
Industry
Automotive
Intake Runner Volume
451.00
Intake Valve Diameter
2.400
Make
Chevrolet
Make - Web
Chevrolet
Material
RMR Cast Aluminum Alloy
Port Volume
451.00
Product Type
Engine Cylinder Head
Series
BBC Pro1 Aluminum Chevrolet Big Block Heads
Subcategory
Cylinder Heads
Title
Pro1 Chevrolet Big Block Head - 451.00 CC Port, 97.00 CC Chamber
Title - Web
Pro1 Chevrolet Big Block Head - 451.00 CC Port, 97.00 CC Chamber
Valve Angle
20
Valve Spring Type
Bare

Fitment status

This product is universal and will fit your application.