Pair of Chevy GM LS7 250cc 60cc 6 Bolt Hydraulic Roller Assembled Cylinder Heads

Description: Speedmaster LS-series cylinder heads are rapidly expanding. The LS (Gen3/4) platform has many design benefits over the earlier SBC engine designs, most notably the cylinder heads. Although the GM heads are good pieces, We have developed a superior line of heads for modern performance enthusiasts. Like all Speedmaster cylinder heads, the LS-series heads are produced using our "Gravity Casting" process. This process ensures a more uniform and robust casting, laying a strong platform to build on.These heads are set up for a Hydraulic Roller Cam. Assembly SpecificationsMax Lift: .625"Coil Bind: 1.180"Intake Install: 140lbs @ 1.8Exhaust Install: 140lbs @ 1.8Open Seat Pressure: 335lbs @ .600 liftGrab a set and you'll be another satisfied Speedmaster - RACE Proven Products customer.We have sold hundreds of sets of Speedmaster heads without a single complaint and the material and casting quality is second to none.Sold as a pair.FREE Ground Shipping in the U.S. 48. Ships directly from Speedmaster's Rialto CA Warehouse. SpecsBrand:SpeedmasterPart Number:PCE281.2092Part Type:Cylinder Heads Cylinder Head Style:AssembledCylinder Head Material:AluminumCylinder Head Finish:NaturalCombustion Chamber Volume (cc):60 ccCNC-Machined Combustion Chamber:NoIntake Runner Volume (cc):250 ccExhaust Runner Volume (cc):n/aCNC-Machined Intake Runner:NoCNC-Machined Exhaust Runner:NoIntake Port Shape:RectangularIntake Port Location:StandardExhaust Port Shape:OvalExhaust Port Location:StandardSpark Plug Style:OEMComp. Valve Job:NoIntake Valves Included:YesIntake Valve Diameter (in):2.200 in.Exhaust Valves Included:YesExhaust Valve Diameter (in):1.600 in.Valve Springs Included:YesMaximum Valve Lift (in):0.625 in.Outside Diameter of Outer Spring (in):1.290 in.Damper Spring Included:YesNumber of Springs Per Valve:DualRetainers Included:YesRetainer Material:Chromoly steelLocks Included:YesLock Style:7 degreeValve Stem Seals Included:YesValve Stem Seal Style:Positive stopRocker Arm Studs Included:N/ARocker Arms Included:NoRocker Arm Nuts Included:NoGuideplates Included:N/AValve Cover Mounting Style:Perimeter BoltAccessory Bolt Holes Drilled:YesIntake Valve Angle:15 deg.Exhaust Valve Angle:15 deg.Valve Guides Included:YesValve Guide Material:SteelValve Seats Machined:YesValve Seat Machine Style:3-angleValve Seat Material:Ductile ironSteam Holes Drilled:N/AOiling Style:Through pushrodMachined for O-Ring:NoHeat Crossover:NoQuantity:Sold as a pair.

Price: 1309 USD

Location: Rialto, California

End Time: 2024-12-13T16:59:35.000Z

Shipping Cost: 0 USD