Up for Sale is a NEW PAIR OF ASSEMBLED OLDSMOBILE ALUMINUM HEADS for your 400, 425 or 455 Block.  These heads come with Springs good for a Hydraulic Flat Tappet Cam and $1000 cheaper then Edlebrock Heads!

If you need an Intake Manifold or Roller Rockers Check out Item # 134248346495 and 144733638069
I also have other styles and finishes in my eBay Store.

Specs:

Cylinder Head Style:             Assembled

Cylinder Head Material:        Aluminum

Cylinder Head Finish:           Natural

Combustion Chamber (CC):  77cc

Intake Runner (CC):              188cc

Intake Port Shape:                 Rectangular 

Intake Port Location:              Standard

Exhaust Port Shape:              Square

Exhaust Port Location:           Standard

Competition Valve Job:           No

Intake Valve Diameter (In):     2.072 in

Exhaust Valve Diameter (In):  1.680 in

Valve Spring Max Lift:              0.615 in

Spring Diameter (In):               1.450 in

Damper Spring:                        Yes

Retainers Included:                  Yes

Retainer Material:                     Chromoly Steel

Lock Style:                                10 Degree

Valve Stem Seal Style:             Positive Stop

Rocker Arm Studs Included:     No

Guideplates Included:               No

Valve Cover Mounting Style:    Center & Perimeter Bolt

Accessory Bolt Holes Drilled:   Yes

Intake Valve Angle:                   18 Deg

Exhaust Valve Angle:                18 Deg

Valve Guide Material:                Bronze

Valve Seats Machined:              Yes / 3-Angle

Valve Seat Material:                   Ductile Iron

Steam Holes Drilled:                  No

Oiling Style:                                Oils Through Pushrods

Machined for O-Ring:                 No

Heat Crossover:                         No

Assembly Specifications 

Max Lift: .615

Coil Bind: .1.125

Intake Install: 140lbs @ 1.8

Exhaust Install: 140lbs @ 1.8

Closed Seat Pressure: 145lbs

Open Seat Pressure: 345lbs


Shipping:

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