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Dart Machinery, LTD. stands behind each product we manufacture 100%. Each component undergoes a detailed manufacturing process that involves the hundreds of calculated and precision steps to ensure the finest quality possible.
PRO1 20 210cc CNC Exhaust

PRO1 20° 210cc CNC

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Product Description

Excellent street, strip, oval track and truck or marine performance upgrade. Maximum torque and throttle response from 3,000 to 7,000+ RPM. Best for 347-427 cubic inch engines. Works with most standard components.

Dart PRO1 20° 210cc CNC heads for Ford small blocks are professional quality competition cylinder heads. We applied the airflow technology developed in our championship winning Pro Stock engine program to produce these state of the art heads.

Exhaust runners are raised .135” for improved flow. Manganese Bronze valve guides are used for long life, and hardened valve seats provide durability with unleaded fuels. Features 2.500″ and 3.000″ exhaust bolt pattern.

Assemblies include Stainless Steel valves, premium springs, locks, retainers, guide plates and seals.

Heads are sold individually.

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Material: RMR Cast Aluminum Alloy

Valve Angle: 20° (stock)

Intake Port Volume: 210cc CNC

Intake Valve: 2.050”

Exhaust Valve: 1.600”

Chamber Volume: 62cc

PRO1 20° 210cc CNC – Aluminum

62cc Combustion Chambers

13071020 – Bare Head

13071122 – 1.437” Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam .620”

13071123 – 1.550” Dual Springs for Solid Roller Cam .660”

PRO1 210 CNC Ford Tech Sheet – H32

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