BluePrint Engines Engine Cylinder Head, Big Block Chevy Aluminum - 358cc - Assembled (PART #BPE-PS8012)

Overview:

Get big power on a small budget with BluePrint Muscle Series cylinder heads! These lightweight aluminum heads bolt up to your big block Chevy and feature 358cc intake/125cc exhaust runners, 119cc combustion chambers, and 2.3" intake/1.880" exhaust valves. They're fully assembled with valve springs, retainers, locks, guide plates, studs, and seals. Manufactured part number PS8012.

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)358cc
Intake Port LocationStandard
Intake Port ShapeRectangular
Intake Valves IncludedYes
Intake Valve Diameter (in)2.3 in.
CFM Port Flow Average @ 28"

EXHAUST

Runner Volume (cc)125cc
Exhaust Valve Diameter (in)1.880 in.
Exhaust Valves IncludedYes
CNC-Machined Exhaust RunnerNo
Port ShapeD-Shape
Exhaust Port LocationRaised approx .300” vs OEM
CFM Port Flow Average @ 28"

COMBUSTION CHAMBER

Combustion Chamber Volume (cc)119cc
CNC-Machined Combustion ChamberNo

VALVE SPECS

Maximum Valve Lift (in).700 in.
Intake Valve Angle24 Degrees (2 degrees rolled)
Exhaust Valve Angle15 Degrees
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 Open380-400 @ 1.250
Spring Pressure Closed135-145 @ 2.000
Outside Diameter of Outer Spring (in)1.540 in.
Damper Spring IncludedYes
Number of Springs per ValveDual
Retainers IncludedYes
Retainer MaterialChromemoly Steel
Locks IncludedYes
Lock Style10 Degree

PUSHRODS

Guide Plates IncludedYes
Guide Plate Pushrod Size (in)3/8 in.

ROCKER ARMS

Rocker Arm Studs IncludedYes
Rocker Arm Stud Size (in)7/16 x 20
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo

MISC

Head StyleAssembled
Cylinder Head MaterialAluminum
Cylinder Head FinishNatural
Spark Plug StyleStraight
Cover Mounting StylePerimeter Bolt
Oiling StyleThrough Pushrod
Machined for O-RingNo
Spark Plug StyleStraight
Valve Cover Mounting StylePerimeter Bolt
Heat CrossoverNo
Camshaft Style:
7/16-14 in. & 3/8 -16 in. Accessory Bolt Holes Machined on Ends of Heads
Exhaust port location raised approx. .300” vs OEM

QTY

Sold Individually

WARRANTY

Backed by our full 12-month limited warranty!