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EDELBROCKPART NUMBER: 350-61459
Marine Performer RPM Aluminum Cylinder Heads for Oval Port Big Block Chevy
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This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
Marine Performer RPM Aluminum Cylinder Heads - Oval Port
- Marine Big Block Chevy 396-502ci
- Oval Port
- Port Volume: 290cc/110cc
- Valve Size: 2.25"/1.89"
- 110cc Combustion Chambers
- Bare with Valves, Sold Individually
These Edelbrock marine cylinder heads include severe-duty, 1.89' inconel exhaust valves for the added durability needed in marine applications and have one-piece stainless steel 2.25' intake valves with hardened tips and swirl-polished heads. edelbrock Marine heads come with valves and seals only.Tech Tip: To gain more spark plug clearance, Edelbrock recommends using Champion RC Series plugs such as the RC12YC (P/N 192-49776). They are 0.230' shorter than a conventional spark plug and have a 5/8' hex for easier access.
Combustion Chamber Volume: 110cc Intake Runner Volume: 290cc Exhaust Runner Volume: 110cc Intake Valve Diameter: 2.25' Exhaust Valve Diameter: 1.89' Valve Stem Diameter: 11/32' Valve Guides: Manganese Bronze Deck Thickness: 9/16' Valve Spring Maximum Lift: N/A Rocker Stud: 7/16' Guideplate: Hardened Steel 3/8' Pushrod Diameter: 3/8' Valve Angle: 26° Exhaust Port Location: Stock Spark Plug Fitment: 14mm x 3/4' Reach,
Gasket SeatValve Lift Intake Exhaust .100' 73 71 .200' 143 128 .300' 208 153 .400' 251 178 .500' 284 200 .600' 299 218 .700' N/A N/A Flow Numbers as tested by Edelbrock's SuperFlo SF-1020 flow bench @ 28' H2O
Part TypeCylinder Head
BrandEDELBROCK
Package Height8.9
Package Width11.2
Package Length25.9
Weight40.8 PG
Part CategoryPerformance Parts
Cylinder Head MaterialAluminum
Intake Port LocationStandard
Rocker Arm Nut Thread Size (In.)7/16"-20
EmissionN/A
Exhaust Valves IncludedYes
Locks IncludedNo
Engine Make/SizeChevy Big Block (396-502)
Retainers IncludedNo
Guideplates IncludedYes
Rocker Arms IncludedNo
Oiling StyleThrough pushrod
Rocker Arm Nuts IncludedNo
Cylinder Head FinishBlack anodized
Valve Seats MachinedYes
Intake Valve Angle26
Valve Seat MaterialDuctile iron
Heat CrossoverNo
FinishCast Aluminum
Valve Springs IncludedNo
UsageMarine
Valve Seat Machine Style3-angle
Damper Spring IncludedNo
Valve Guides IncludedYes
Cnc-Machined Intake RunnerNo
Intake Valves IncludedYes
Combustion Chamber StyleOpen chamber
QuantitySold individually
Cylinder Head TypeOval Port- Large
Valve Stem Seals IncludedNo
Intake Valve Diameter2.25 in (57.15 mm)
Accessory Bolt Holes DrilledYes
Exhaust Runner Volume (Cc)110
Exhaust Port LocationStandard
Valve Guide MaterialManganese bronze
TypeValves Only
Combustion Chamber Volume (Cc)110
Machined For O-RingNo
PreparationRequires Professional Preparation (Bare)
Steam Holes DrilledNo
Rocker Arm Studs IncludedYes
Cylinder Head StyleAssembled
Valve Cover Mounting StylePerimeter bolt
Intake Runner Volume (Cc)290
Cnc-Machined Exhaust RunnerNo
Cnc-Machined Combustion ChamberNo
Exhaust Valve Diameter1.89 in (48.006 mm)
Vendor Part Number61459
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
