Oldsmobile 400 425 455 188cc 77cc Hydraulic Roller Assembled Cylinder Heads

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MPN: PCE281.2170 UPC: 840136568285
Unavailable Extended Warranty Unavailable
US $1,300.00

Build to Order


Part Number:PCE281.2170
Part Type:Cylinder Heads
Cylinder Head Style:Assembled
Cylinder Head Material:Aluminum
Cylinder Head Finish:Natural
Combustion Chamber Volume (cc):77 cc
CNC-Machined Combustion Chamber:No
Intake Runner Volume (cc):188 cc
Exhaust Runner Volume (cc):n/a
CNC-Machined Intake Runner:No
CNC-Machined Exhaust Runner:No
Intake Port Shape:Rectangular
Intake Port Location:Standard
Exhaust Port Shape:Square
Exhaust Port Location:Standard
Spark Plug Style:OEM
Comp. Valve Job:No
Intake Valves Included:Yes
Intake Valve Diameter (in):2.072 in.
Exhaust Valves Included:Yes
Exhaust Valve Diameter (in):1.680 in.
Valve Springs Included:Yes
Maximum Valve Lift (in):0.615 in.
Outside Diameter of Outer Spring (in):1.450 in.
Damper Spring Included:Yes
Number of Springs Per Valve:Dual
Retainers Included:Yes
Retainer Material:Chromoly steel
Locks Included:Yes
Lock Style:10 degree
Valve Stem Seals Included:Yes
Valve Stem Seal Style:Positive stop
Rocker Arm Studs Included:No
Rocker Arms Included:No
Rocker Arm Nuts 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 Guides Included:Yes
Valve Guide Material:Bronze
Valve Seats Machined:Yes
Valve Seat Machine Style:3-angle
Valve Seat Material:Ductile iron
Steam Holes Drilled:No
Oiling Style:Through pushrod
Machined for O-Ring:No
Heat Crossover:No
Quantity:Sold as a pair.
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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

Prop 65 Warning

This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.

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