Speedmaster PCE281.1489 Compatible with Chevy BBC 396 305cc 119cc Aluminum Bare Cylinder Head

Brand:SpeedmasterPart Number:PCE281.1489Part 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):305 ccExhaust Runner Volume (cc):n/aCNC-Machined Intake Runner:NoCNC-Machined Exhaust Runner:NoIntake Port Shape:OvalIntake 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
• Speedmaster creates unique and distinctive DNA items inspired by the blend of old and new technology. Its empowered work forced drives innovation not only in the products it sells but with the way it goes about doing it.
• TRACK PROVEN - Surviving the longevity of road, race and recreation is mandatory for all Track Proven products, Bringing you closer to product perfection.
• 12-Month Limited Worldwide Warranty