Trick Flow® PowerPort® 175 Cylinder Heads for Ford 390-428 TFS-56417002-C00

Cylinder Head, PowerPort® 175, Street Port, Assy, 70cc Chambers, 1.55 in. Springs, Ford 390, 406, 427, 428, Each

Combustion Chamber Volume (cc):

70

Intake Runner Volume (cc):

175cc

Exhaust Runner Volume (cc):

113cc

Cylinder Head Style:

Assembled

Cylinder Head Material:

Cast aluminum

Camshaft Style:

Hydraulic roller

Intake Port Shape:

Rectangular

Intake Valve Diameter (in.):

2.190 in.

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:

D-port

Exhaust Port Location:

Standard

Spark Plug Style:

Angle

Intake Valves Included:

Yes

Exhaust Valves Included:

Yes

Exhaust Valve Diameter (in.):

1.625 in.

Valve Springs Included:

Yes

Maximum Valve Lift (in.):

0.680 in.

Outside Diameter of Outer Spring (in.):

1.550 in.

Damper Spring Included:

Yes

Number of Springs Per Valve:

Dual

Retainers Included:

Yes

Retainer Material:

Steel

Locks Included:

Yes

Lock Style:

10 degree

Valve Stem Seals Included:

Yes

Rocker Arm Studs Included:

No

Rocker Arms Included:

No

Rocker Arm Nuts Included:

No

Guideplates Included:

No

Valve Cover Mounting Style:

Perimeter bolt

Accessory Bolt Holes Drilled:

Yes

Intake Valve Angle:

13

Exhaust Valve Angle:

13

Valve Guides Included:

Yes

Valve Guide Material:

Bronze

Valve Seats Machined:

Yes

Valve Seat Machine Style:

3-angle

Valve Seat Material:

Ductile iron

Cylinder Head Color:

Natural

Steam Holes Drilled:

No

Oiling Style:

Through head

Machined for O-Ring:

No

Heat Crossover:

No

Remanufactured:

No

Quantity:

Sold individually.