Aeroflow Bare SB Ford Windsor 289-351 200cc CNC Ported Aloy Heads "Pair"

The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilise 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 small block Ford Windsor cylinder heads are designed for street / race performance engines to give the ultimate in flow at a competitive price. Made from A356-T6 aluminium castings, they feature full CNC intake ports and chambered square exhaust ports.

Note: These heads are drilled for 1/2" head bolts. If using a 7/16" bolt, you must use a head boltbushing kit or step down head bolts.

Head Specifications

Material: A356 Aluminium
Chamber: 60cc
Intake Port Volume: 200cc
Intake Port Dimension: 2.13" x 1.28"
Exhaust Port Volume: 68cc
Exhaust Port Dimension: 1.40" H x 1.40" W
Spark Plug Location: OEM
Intake Valve Diameter: 2.08"
Exhaust Valve Diameter: 1.60"
Valve Stem Diameter: 8mm
Valve Spring Pocket I.D.: 1.64"
Valve Guide Material: Manganese Bronze
Valve Guide O.D.: .490" (.560" at base)
Rocker Stud Thread Size: 7/16" x 14
Valve Angle: 20°
Deck Thickness: .750"

Suggested Components

Head Gasket: Â Fel-Pro1011-1
Intake Gasket (1.28 x 2.13 Port Size): Â Fel-Pro 1262
Exhaust Gasket (1.40 x 1.40 Port Size): Â Fel-Pro 1487
Head Bolts: Â ARP 154-3605 (7/16" or 154-3603 (1/2")
Head Studs: Â ARP 154-4003
Spark Plugs (14mm x 3/4" reach with flat gasket seat): Â Champion RC9YC

IMPORTANT NOTICE:

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