Speedmaster PCE281.1488 Compatible with Chevy BBC 454 320cc 119cc Aluminum Bare Cylinder Head

Brand:SpeedmasterPart Number:PCE281.1488Part Type:Cylinder Head [Bare]Cylinder Head Style:BareCylinder 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:NoIntake Valve Diameter (in):2.250 in.Exhaust Valves Included:NoExhaust Valve Diameter (in):1.880 in.Valve Springs Included:NoDamper Spring Included:NoRetainers Included:NoLocks Included:NoValve Stem Seals Included:NoRocker Arm Studs Included:NoRocker Arms Included:NoRocker Arm Nuts Included:NoGuideplates Included:NoValve Cover Mounting Style: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 individually.Notes:Exhaust port raised 0.625 in. from stock

• Included components as shown in product images
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