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CHEVROLET PERFORMANCEPART NUMBER: 809-12562923

HEAD ASM

Name: HEAD ASM
Brand: CHEVROLET PERFORMANCE
SKU: 809-12562923
Price: 632.99 USD
Availability: InStock

^$632⁹⁹

Ships on 09/10/2026

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Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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Part TypeCylinder Head

BrandCHEVROLET PERFORMANCE

Package Height9.1

Package Width8.63

Package Length510.1

Weight70.99 PG

Part CategoryPerformance Parts

Valve Stem Diameter (Mm)9.51

Push Rod Diameter0.375

Valve Stem Diameter (In)0.374

Head Casting Number12562932

MaterialCast Iron

Intake Valve Diameter52.578

Deck Thickness0.375

Valve Angle (Deg)24

Rocker Stud Diameter (In)0.438

Deck Height9.8

Guide Plates IncludedNo

Combustion Chamber Volume118

Rocker Stud Diameter (Mm)11.113

Intake Runner Volume18

Valve Spring Diameter1.501

Part FitmentSemi Universal

Grade TypePerformance

Exhaust Valve Diameter1.72

Vendor Part Number12562923

Package Qty1

Package TypeEA

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Some parts are not legal for use in California or other states with similar laws / regulations

HEAD ASM

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