BluePrint Engines Engine Cylinder Head, GM LS Aluminum - 259cc - Std. Head Bolts - Assembled (PART #BPE-PS8015)

Overview:

Get big power on a small budget with BluePrint Muscle Series LS cylinder heads! These lightweight aluminum heads bolt up to your LS engine and feature 259cc intake/102cc exhaust runners, 69cc combustion chambers, and 2.165" intake/1.600" exhaust valves. They're fully assembled with valve springs, retainers, locks, guide plates, studs, and seals. Manufacturer part number -PS8015.

SPECIFICATIONS

Maximum Output for Less Money!
Designed and Produced by BluePrint Engines
Fully Assembled with Heavy Duty Components
Backed by Our Full 12-Month Limited Warranty

INTAKE

Intake Runner Volume (cc)259cc
Intake Port LocationStandard
Intake Port ShapeRectangular
Intake Valves IncludedYes
Intake Valve Diameter (in)2.165 in.
CNC-Machined Intake RunnerNo

EXHAUST

Runner Volume (cc)102cc
Exhaust Valve Diameter (in)1.600 in.
Exhaust Valves IncludedYes
Exhaust RunnerNo
Port ShapeRound
Exhaust Port LocationStandard

COMBUSTION CHAMBER

Combustion Chamber Volume (cc)69cc
CNC-Machined Combustion ChamberNo

VALVE SPECS

Maximum Valve Lift (in).650 in.
Intake Valve Angle12 Degrees (3 degrees rolled)
Exhaust Valve Angle12 Degrees (3 degrees rolled)
Valve Guides IncludedYes
Valve Guide MaterialManganese Bronze
Valve Seats MachinedYes
Valve Seat Machine Style5-Angle
Valve Seat MaterialChrome Nickle
Valve Stem Seals IncludedYes
Valve Stem Seal StyleViton® Fluoroelastomer

SPRINGS

Valve Springs IncludedYes
Spring Pressure Open360-380 @ 1.150
Spring Pressure Closed125-135 @ 1.800
Outside Diameter of Outer Spring (in)1.295 in.
Damper Spring IncludedYes
Number of Springs per ValveDual
Retainers IncludedYes
Retainer MaterialChromemoly Steel
Locks IncludedYes
Lock Style7 Degree

PUSHRODS

Rocker Stands IncludedYes

ROCKER ARMS

Rocker Arm Studs IncludedNo
Rocker Arms IncludedN/A
Rocker Arm Nut Thread Size (in)N/A
Rocker Arm Nuts IncludedNo

GUIDE PLATE

Guide Plate IncludedNo
Guide Plate Pushrod SizeN/A

MISC

Head StyleAssembled
Cylinder Head MaterialAluminum
Cylinder Head FinishNatural
Spark Plug StyleStandard
Cover Mounting StyleStandard
Steam Holes DrilledNo
Camshaft StyleHydraulic Roller
Oiling StyleThrough Pushrod
Valve Cover Mounting StyleCenter Bolt
Accessory Bolt Holes DrilledYes
Machined for O-RingNo
Heat CrossoverNo
10mm Accessory Bolt Holes Machined on Ends of Heads

QTY

Sold Individually

WARRANTY

Backed by our full 12-month limited warranty!

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