
Product Discontinued
CHEVROLET PERFORMANCEPART NUMBER: 809-24502517
Small Block Chevy Splayed-Valve Aluminum Race Cylinder Heads
Currently Unavailable
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Standard 4.400" Bore Spacing
- Splayed-Valve Aluminum Cylinder Head
- Mostly Machined: Main surfaces; exhaust bolt pattern; intake bolt holes; valve guides, seats, spring seats; rocker stands; spark plug holes
Semi-Machined Detail: - Machined: Main surfaces, exhaust bolt pattern, intake bolt holes, valve guides, valve seats, valve spring seats, rocker stands and spark plug holes
- Not Machined: Head bolt holes, dowel holes and pushrod holes
- Same casting P/N 12480146
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 Height6.4
Package Width9.7
Package Length505.46
Weight27.4 PG
Part CategoryPerformance Parts
Overall Width (In)7.85
Casting Number10185040
Plug TypeAngled
Head Casting Number10185040
Overall Width (Mm)199.39
MaterialAlum
Intake Valve Diameter55.88
Valve Angle (Deg)Splay
Port TypeSplayed
Guide Plates IncludedNo
Combustion Chamber Volume45
Intake Valve Lift (In)2.2
Intake Runner Volume14.6
Part FitmentSemi Universal
Intake Runner Volume (Cc)-
Grade TypePerformance
Exhaust Valve Diameter41.91
Vendor Part Number24502517
Package Qty1
Package TypeEA
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