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Product Discontinued
CHEVROLET PERFORMANCEPART NUMBER: 809-12562926
Gen V & Gen VI Service Replacement Head, Bare Head 3/8"
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Big Block Chevrolet Service Replacement Head
- Gen V & Gen VI Service Replacement Head
- Bare Head
- 3/8'' Accessory Bolt Holes
Part TypeCylinder Head
BrandCHEVROLET PERFORMANCE
Package Height9.1
Package Width221.7
Package Length510.1
Weight70.99 PG
Valve Stem Diameter (Mm)8.73
Rocker Stud Diameter (In)0.438
Retainers IncludedNo
Intake Port ShapeRectangular
Guideplates IncludedNo
Port TypeRect
Oiling StyleThrough pushrod
Intake Runner Volume325
Valve Seats MachinedNo
Heat CrossoverNo
Push Rod Diameter9.525
Damper Spring IncludedNo
Head Casting Number12562934
Valve Stem Seals IncludedNo
Intake Valve Diameter2.18
Valve Angle (Deg)BBC
Valve Guide MaterialBronze
Rocker Stud Diameter (Mm)11.113
Intake Valve Lift (In)2.18
Steam Holes DrilledNo
Rocker Arm Studs IncludedNo
Cnc-Machined Combustion ChamberNo
Exhaust Valve Diameter1.88
Part CategoryPerformance Parts
Cylinder Head MaterialCast iron
Casting Number12562934
Plug TypeStd
Intake Port LocationStandard
Exhaust Valves IncludedNo
Deck Thickness9.525
Locks IncludedNo
Deck Height248.92
Guide Plates IncludedNo
Rocker Arms IncludedNo
Rocker Arm Nuts IncludedNo
Cylinder Head FinishNatural
Valve Spring Diameter1.55
Valve Seat MaterialSteel
Valve Springs IncludedNo
Valve Stem Diameter (In)0.3437
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedNo
Combustion Chamber StyleOpen chamber
QuantitySold individually
MaterialIron
Accessory Bolt Holes DrilledYes
Exhaust Port LocationStandard
Combustion Chamber Volume7.2008
Combustion Chamber Volume (Cc)118
Machined For O-RingNo
Cylinder Head StyleBare
Part FitmentSemi Universal
Valve Cover Mounting StyleCenter and perimeter bolt
Cnc-Machined Exhaust RunnerNo
Grade TypePerformance
Vendor Part Number12562926
Package Qty1
Package TypeEA
No Questions
No Reviews
Some parts are not legal for use in California or other states with similar laws / regulations
