Dart 13072142 Cylinder Head Aluminum Small Block Ford Pro1 225cc 62cc 2.080" x 1.600", CNC Assembly w/ 1.437" Dual Springs for Hydraulic Roller or Flat Tappet Cam

Dart 13072142 Cylinder Head Aluminum Small Block Ford Pro1 225cc 62cc 2.080″ x 1.600″, CNC Assembly w/ 1.437″ Dual Springs for Hydraulic Roller or Flat Tappet Cam

Material: RMR Cast Aluminum Alloy

Valve Angle: 20° (stock)

Intake Port Volume: 225cc CNC

Intake Valve: 2.080”

Exhaust Valve: 1.600”

Springs: 1.437″ Dual Springs for Hydraulic Roller or Solid Flat Tappet Cam Max Lift: .650″

Chamber Volume: 62cc

Serious street performance, mild bracket racing and oval track. Maximum torque and throttle response from 3,500 to 7,800 RPM. Best for 363-427 cubic inch engines. Works with most standard components.

Every intake port, exhaust runner, 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.

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 3.000″ exhaust bolt pattern.

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

Heads are sold individually.