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Part 8531N
Part Number: 8531N Special Price
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GM Performance Parts Bare cast-iron small-block cylinder head. Does not include valves or springs.

An excellent street choice, this head is used on the 350 SP crate engines. The head comes  with valve guides and studs. Sold individually.

 

ombustion Chamber Volume (cc):

64

Cylinder Head Style:

Bare

Cylinder Head Material:

Cast iron

Intake Port Shape:

Rectangular

Intake Valve Diameter (in.):

1.940 in.

Cylinder Head Finish:

Natural

CNC-Machined Combustion Chamber:

No

CNC-Machined Intake Runner:

No

CNC-Machined Exhaust Runner:

No

Combustion Chamber Style:

Heart

Intake Port Location:

Standard

Exhaust Port Shape:

Square

Exhaust Port Location:

Standard

Spark Plug Style:

Straight

Intake Valves Included:

No

Exhaust Valves Included:

No

Exhaust Valve Diameter (in.):

1.500 in.

Valve Springs Included:

No

Damper Spring Included:

No

Retainers Included:

No

Locks Included:

No

Valve Stem Seals Included:

No

Rocker Arm Studs Included:

Yes

Rocker Arm Nut Thread Size:

3/8 in.-24

Rocker Arms Included:

No

Rocker Arm Nuts Included:

No

Guideplates Included:

No

Valve Cover Mounting Style:

Centerbolt

Accessory Bolt Holes Drilled:

Yes

Valve Guides Included:

Yes

Valve Guide Material:

Bronze

Valve Seats Machined:

Yes

Valve Seat Machine Style:

3-angle

Valve Seat Material:

Steel

Steam Holes Drilled:

No

Oiling Style:

Through pushrod

Machined for O-Ring:

No

Heat Crossover:

No





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