Dart Pro1 20 Deg (As-Cast and CNC ) Aluminum Big Block Chevy Cylinder Heads 19705199

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Specifications:

BrandDart
Part Number19705199
GTIN00807051012194
Cnc PortedYes
Combustion Chamber Volume97.00 cc
Cylinder Head MaterialRmr Cast Aluminum Alloy
Cylinder Head SeriesPro1
EngineBig Block
Engine TypeIce
Exhaust Valve Diameter1.800 in
Intake Runner Volume440.00 cc
Intake Valve Diameter2.400 in
MakeChevrolet
MaterialRmr Cast Aluminum Alloy
Port Volume440.00 cc
Product TypeEngine Cylinder Head
Valve Angle20 dd
Valve Spring Diameter1.650 in
Valve Spring Maximum Lift0.900 in
Valve Spring TypeTriple

Specifications:

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.

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