AFR-1381-7/16 AFR Competition Cylinder Heads, 195cc Intake, 58cc Chamber, Ford 289, 302, 351 Windsor (Pair)

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AFR-1381-7/16 AFR Competition Cylinder Heads, 195cc Intake, 58cc Chamber, Ford 289, 302, 351 Windsor (Pair)

AFR-1381-7/16

Brand:

Airflow Research (AFR)

Manufacturer's Part Number:

1381-716

Part Type:

Cylinder Heads

Product Line:

AFR 195cc SBF Competition Cylinder Heads

Part Number:

AFR-1381-716

Combustion Chamber Volume (cc):

Intake Runner Volume (cc):

195cc

Exhaust Runner Volume (cc):

70cc

Cylinder Head Style:

Assembled

Cylinder Head Material:

Aluminum

Intake Port Shape:

Rectangular

Intake Valve Diameter (in.):

2.050 in.

Cylinder Head Color:

Natural

CNC-Machined Combustion Chamber:

Yes

CNC-Machined Intake Runner:

Yes

CNC-Machined Exhaust Runner:

Yes

Combustion Chamber Style:

Heart

Intake Port Location:

Standard

Exhaust Port Shape:

Square

Exhaust Port Location:

Raised

Spark Plug Style:

Angle

Intake Valves Included:

Yes

Exhaust Valves Included:

Yes

Exhaust Valve Diameter (in.):

1.600 in.

Valve Springs Included:

Yes

Maximum Valve Lift (in.):

0.650 in.

Camshaft Style:

Hydraulic roller

Outside Diameter of Outer Spring (in.):

1.270 in.

Damper Spring Included:

Yes

Number of Springs Per Valve:

Dual

Retainers Included:

Yes

Retainer Material:

Chromoly steel

Locks Included:

Yes

Lock Style:

7 degree

Valve Stem Seals Included:

Yes

Rocker Arm Studs Included:

Yes

Rocker Arm Nut Thread Size:

7/16 in.-20

Rocker Arms Included:

Rocker Arm Nuts Included:

Guideplates Included:

Yes

Guideplate Pushrod Size:

5/16 in.

Valve Cover Mounting Style:

Perimeter bolt

Accessory Bolt Holes Drilled:

Yes

Intake Valve Angle:

Exhaust Valve Angle:

Valve Guides Included:

Yes

Valve Guide Material:

Bronze

Valve Seats Machined:

Yes

Valve Seat Machine Style:

5-angle

Valve Seat Material:

Ductile iron

Steam Holes Drilled:

Oiling Style:

Through pushrod

Machined for O-Ring:

Heat Crossover:

Quantity:

Sold as a pair.

Notes:

Will not accept EGR or AIR pump. Minimum bore diameter of 4.000 in. is required. Exhaust port is raised 0.125 in. over stock. These cylinder heads are competition ported. Not compatible with OEM pistons.

AFR 195cc SBF Competition Cylinder Heads

AFR 195cc SBF competition cylinder heads feature 100 percent CNC-machined intake ports, exhaust ports, and combustion chambers. Manufactured in A356 aluminum and assembled with high-quality components, these AFR 195cc SBF competition heads are recommended for displacements up to 408 cu. in., and operating up to 6500-6800 rpm. They are not compatible with OEM pistons. They are available with or without EGR and air pump, as well as with either 58cc or 72cc chamber sizes.

Components for these AFR cylinder heads include:

* Competition 5-angle valve job
* 8mm bead lock intake valve
* 8mm bead lock exhaust valve
* PAC racing spring 1.270 in. O.D. hydraulic roller dual valve spring; 155 lbs. on seat, .650 in. maximum lift, maximum rpm 7000 to 7200
* 7 degree chromoly retainers
* 7 degree bead lock valve keepers
* 7/16 in. rocker studs
* Adjustable 5/16 in. guide plates
* Viton® valve seals
* Hardened valve spring I.D. locator
* Ductile iron intake valve seats 2.131 in. O.D x 1.680 in. I.D x .375 in. deep
* Ductile iron exhaust valve seats 1.650 in. O.D x 1.350 in. I.D x .375 in. deep
* Bronze valve guides
* Air injector reducer bushing

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