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Dart – PRO 1 – 20° Aluminum Cylinder Head – Bare BBC

Dart – PRO 1 – 20° Aluminum Cylinder Head – Bare BBC

Dart PRO 1 - 20° Aluminum Cylinder Head - Bare BBC- Dart 197-050-90

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Original Price: $1,568.00

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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° 440cc Aluminum cylinder heads.

The Dart PRO1 20° heads deliver superior performance, by utilizing 440cc runners in a raised asymmetrical port design, and feature a 20° rolled valve angle with redesigned shallow combustion chambers. These heads are ideal for maximum effort naturally aspirated, big boost forced induction, or nitrous applications. Maximum competition, high torque, high compression – low dome. 8000+ RPM, 500+ cubic inches.

 

• 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***

Consult with your engine builder before ordering!!!

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