Speedmaster PCE281.2032 Compatible with Chevy BBC 454 320cc 119cc Solid Flat Assembled Cylinder Heads

Brand:SpeedmasterPart Number:PCE281.2032Part Type:Cylinder HeadProduct Line:Solid/Mechanical Flat TappetCylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):119 ccCNC-Machined Combustion Chamber:NoIntake Runner Volume (cc):320 ccExhaust Runner Volume (cc):n/aCNC-Machined Intake Runner:NoCNC-Machined Exhaust Runner:NoIntake Port Shape:RectangularIntake Port Location:StandardExhaust Port Shape:RectangularExhaust Port Location:RaisedSpark Plug Style:AngleComp. Valve Job:NoIntake Valves Included:YesIntake Valve Diameter (in):2.250 in.Exhaust Valves Included:YesExhaust Valve Diameter (in):1.880 in.Valve Springs Included:YesMaximum Valve Lift (in):0.580 in.Outside Diameter of Outer Spring (in):1.450 in.Damper Spring Included:YesNumber of Springs Per Valve:DualRetainers Included:YesRetainer Material:Chromoly steelLocks Included:YesLock Style:10 degreeValve Stem Seals Included:YesValve Stem Seal Style:Positive stopRocker Arm Studs Included:NoRocker Arms Included:NoRocker Arm Nuts Included:NoGuide plates Included:NoValve Cover Mounting Style:Center & Perimeter BoltAccessory Bolt Holes Drilled:YesIntake Valve Angle:24 deg.Exhaust Valve Angle:15 deg.Valve Guides Included:YesValve Guide Material:BronzeValve Seats Machined:YesValve Seat Machine Style:3-angleValve Seat Material:Ductile ironSteam Holes Drilled:NoOiling Style:Through pushrodMachined for O-Ring:NoHeat Crossover:NoQuantity:Sold as a pair.

• 281 Cylinder Head : 281 Cylinder Head [Assembled]
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