AF95-2351 - 2V CLEVELAND ALLOY HEADS ASSE

Complete 2V Ford Cleveland 351 208cc Aluminium Cylinder Heads with 74cc Chamber (Pair)
2.08" x 1.49" Intake Port, 1.61" x 1.50" Exhaust Port

The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilize ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamber designs produce excellent flow numbers. This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.

The Aeroflow Performance Ford Cleveland 2V cylinder heads are designed for street/ race performance engines to give the ultimate in flow at a budget price. Made from A356 aluminium castings the 208cc cylinder heads are ideal for operating in the idle to 6500 rpm range. The complete heads include larger then stock 1.550" diameter single valve spring to handle up to .620" maximum lift. Suits flat tappet and hydraulic roller camshaft. Sold as a pair. Rocker studs and guide plates sold separately.

Head Specifications

Material: A356 Aluminium
Chamber: 74cc
Intake Port Volume: 208cc
Intake Port Dimension: 2.08" x 1.49"
Exhaust Port Volume: 119cc
Exhaust Port Dimension: 1.61" H x 1.50" W
Exhaust Port Location: OEM
Spark Plug Location: OEM
Intake Valve Diameter: 2.10"
Exhaust Valve Diameter: 1.65"
Valve Stem Diameter: 11/32"
Valve Spring Pocket I.D.: 1.70"
Valve Guide Material: Manganese Bronze
Valve Guide O.D.: 0.560"
Rocker Stud Thread Size: 7/16" x 14
Valve Angle: 10°
Deck Thickness: .470"

Valve Spring Specifications

Installed Height: 1.880"
Installed Pressure: 123lbs
Open Pressure: 280lbs @ 500"
Maximum Lift: .630" @ 1.160"
Coil Bind: 1.150"
Spring Outside Diameter: 1.550"
Spring Inside Diameter: 1.135"
Spring Free Length:2.300"
Valve Spring Retainer Outside Diameter: 1.495"
Valve Spring Retainer Step 1: 1.115"
Valve Spring Retainer Step 2: 0.640"
Valve Spring Locator Outside Diameter: 1.700"
Valve Spring Locator Inside Diameter: 1.530"

IMPORTANT NOTICE:

We recommend to check installed spring seat pressure& open pressure before installing your cylinder heads to make sure the spring pressure is correct for your application.