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Dart 11970040P Cylinder Head Aluminum Small Block Chevy Pro1 227cc 66cc 2.080″ x 1.600″ Angle Plug, Bare Casting CNC Ported

$1,822.12

Available on backorder

Dart 11970040P Cylinder Head Aluminum Small Block Chevy Pro1 227cc 66cc 2.080″ x 1.600″ Angle Plug, Bare Casting CNC Ported

Material: RMR Cast Aluminum Alloy

Valve Angle: 23° (stock)

Intake Port Volume: 227cc CNC

Intake Valve: 2.080”

Exhaust Valve: 1.600”

Chamber Volume: 66cc

Plug Type: Angle

Maximum performance/full competition, unlimited oval and super classes. 7,000+ RPM, 400+ cubic inch engines.

Dart PRO1 23° 227cc CNC Head are professional quality competition cylinder Head. We applied the airflow technology developed in our championship winning Pro Stock engine program to produce these state of the art Head.

Every intake port, every exhaust runner, every valve bowl and every combustion chamber is 100% CNC machined on special dedicated PRO1 castings. These Head are ideal for high compression, big cubic inch small blocks and are great for supercharged applications.

Standard valve angle and spacing are retained to allow use of off the shelf pistons and valve train components.

Hardened exhaust seats are compatible with unleaded gasoline. Manganese Bronze valve guides extend cylinder head life.

Heads are sold individually.

Weight 27 lbs
Dimensions 24 × 10 × 6 in

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