SMALL BLOCK FORD CAST ALUMINUM CYLINDER HEADS

QUICK INFO >>>

Serious performance upgrade for street, mild bracket racing and oval track racing. Maximum torque and throttle response from idle to 6,800 RPM. Best for 347-427 cubic inch engines. Works with most standard components.

PRO1 20° 195cc Aluminum cylinder heads feature increased airflow for larger engines and higher RPM usage.

Standard valve angle and spacing is retained for bolt on compatibility. 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 both 2.500” and 3.000” exhaust bolt patterns.

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

Uses 3/8” screw-in rocker studs. 7/16” upgrade available.

Assemblies with 1.550” valve spring use +.100” long valves.

Heads are sold individually.

Head parts kit - see page 107.

Uses 3/8” screw-in rocker studs. 7/16” upgrade available.

Assemblies with 1.550” valve spring use +.100” long valves. PRO1 20° 195CC -

PRO1 20 ° 195 cc SPECS

Material: RMR Cast Aluminum Alloy

Valve Angle: 20° (stock) Intake

FLOW DATA @ 28” WATER

20° 210cc CNC

QUICK INFO >>>

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, studs, guide plates and seals.

Heads are sold individually.

Head parts kit - see page 107. Uses 7/16” screw-in rocker studs.

Small Block Ford Cast Aluminum Cylinder Heads

SPECS

Material: RMR Cast Aluminum Alloy

Valve Angle: 20° (stock)

Intake Port Volume: 210cc CNC

Intake Valve: 2.050”

Exhaust Valve: 1.600”

Volume: 62cc

FLOW DATA @ 28” WATER

62cc