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Vehicle Info NeededCHEVROLET PERFORMANCEPART NUMBER: 809-12366988
Exhaust Valve Big Block Chevy
$2725
Ships on 09/24/2026
Lowest Price GuaranteeBig Block Chevy
- Exhaust Valve
- Big Block Chevy
- 1.88'' Diameter
- 11/32'' Stem
- Stainless Steel
- Used on ZZ454, ZZ427 andthe Anniversary Edition 427 crate engines
Stainless-steel valve with undercut chrome-plated stems, single-groove design, hardened tips, used on ZZ454, ZZ427 andthe Anniversary Edition 427 crate engines
- Chevrolet Performance offers valves and components for your small block, big block or LS-series engine. These valve are engineered for superior quality and reliability while maintaining maximum performance for your vehicle setup. Replace OEM or upgrade current equipment with these Chevrolet Performance parts offer from JEGS today!
Part TypeExhaust Valve
Product LineChevrolet Performance Valves
BrandCHEVROLET PERFORMANCE
Package Height2.6
Package Width2.6
Package Length138.43
Weight0.35 PG
Part CategoryPerformance Parts
Valve Head Diameter47.752
OversizedNo
Valve Stem Diameter (In)11/32 in.
Lock Groove Quantity1
Valve Head Diameter (In)1.88 in.
QuantitySold individually
MaterialStainless Steel
Locks IncludedNo
Seat Angle45
Valve MaterialStainless steel
Stem Diameter (In)11/32
Spring Type11/32"
Grade TypePerformance
Coated FinishNo
Stem Diameter1.88
Vendor Part Number12366988
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
