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EDELBROCKPART NUMBER: 350-618268
Big Victor Spread-Port CNC Aluminum Cylinder Head for Big Block Chevy
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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Big Victor Spread-Port CNC Aluminum Cylinder HeadsBig Block Chevy with 4.840'' Bore Spacing Intake Ports: 442cc Left, 451cc Right
- Big Block Chevy
- Intake Volume: (LH) 442cc (RH) 451cc
- Exhaust Volume: 189cc
- 92cc Combustion Chamber
- 12° Valve Angle
- Bare Head, Sold Individually
- Intended for high-output, large cubic inch big block Chevy race engines with 4.840" bore spacing
- A356 aluminum casting is HIP processed (Hot Isostatic Pressing) for superior strength, durability, and dimensional stability
- CNC-machined intake ports and raised exhaust runners provide better flow efficiency
- Extra deck material allows fine-tuning of the combustion chamber design as desired
- Recommended Intake Manifold: Edelbrock #28003 or #28005
- Required Valve Covers: #350-4259
Edelbrock and Pat Musi worked with Jesel to improve valvetrain geometry, delivering Pro Stock level technology on engines up to 10,000 RPM. Jesel's aluminum shaft-mounted system (KPS-387154) has a 1-pc stand that pairs the intake & exhaust stands for exceptional stability. The intake fulcrum is 1.82" long; available rocker ratios are 1.6:1 through 1.95:1. The exhaust fulcrum is 2" long; available rocker ratios are 1.6:1 through 2:1.
Combustion Chamber Volume: 92cc Intake Runner Volume: 442cc (L), 451cc (R) Exhaust Runner Volume: 189cc Intake Valve Diameter: 2.45" (Valves not included) Exhaust Valve Diameter: 1.85" (Valves not included) Valve Stem Diameter: n/a Valve Guides: Manganese Bronze Deck Thickness: --- Valve Pocket Diameter: 1.76" Valve Spring Maximum Lift: Springs not included Rockers: Use Jesel Shaft-Mount KPS-381754 Guideplate: n/a Pushrod Diameter: --- Exhaust Port Location: n/a Spark Plug Fitment: 14mm x 3/4' Reach,
Gasket SeatValve Lift Intake Exhaust .400' 288 226 .500' 353 254 .600' 415 277 .700' 468 302 .800' 496 324 .900' 491 328 18° (350-617569) Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O
Part TypeCylinder Head
BrandEDELBROCK
Package Height9.5
Package Width11.0
Package Length26.0
Weight43.4 PG
Part CategoryPerformance Parts
UsageCompetition
TypeBare
PreparationRequires Professional Preparation (Bare)
EmissionNon-Emissions
Cylinder Head TypeStandard
FinishCast Aluminum
Engine Make/SizeChevy Big Block (540-632)
Vendor Part Number618268
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
