Product Summary

Assembled Cylinder Head Style, Aluminum, Anodized

  • The Edelbrock #61555 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed.
  • This cylinder head delivers great throttle response and power from 1500 to 6500 rpm.
  • They also feature the highest quality intake and exhaust valves and valve springs.
  • For use on pre-pollution controlled vehicles only.

Rebates Available

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Key Specs

Cylinder Head StyleAssembled
Material TypeAluminum
FinishAnodized
Combustion Chamber Volume118cc
Intake Runner Volume290cc
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Need To Know

Quick and Easy Returns

Return Policy

Edelbrock 61555 Details

The Edelbrock #61555 Performer RPM Marine-Duty cylinder head is designed for use with Rectangular Port Big-Block Chevy Marine applications.

  • The Edelbrock #61555 Performer RPM head is perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed.
  • This cylinder head delivers great throttle response and power from 1500 to 6500 rpm.
  • They also feature the highest quality intake and exhaust valves and valve springs.
  • For use on pre-pollution controlled vehicles only.

Rebates

Edelbrock "Garage Deals" 20% Off Select Parts Sale

Edelbrock

Edelbrock "Garage Deals" 20% Off Select Parts Sale, running from August 25, 2026, through August 25, 2027. For a limited time, customers can save up to 20% off on select Edelbrock parts. All claims must be postmarked on or before 30 days from date of purchase. Purchases must be made between August 25, 2026 and August 25, 2027. This limited-time offer applies to qualifying Edelbrock parts purchased during the promotional period.

CARB Warning

For use on pre-1966 vehicles only

Emissions warning: this part only legal for sale or use in California if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. ++any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering there are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.

Edelbrock 61555 Specifications

KEY SPECS
MFG. Part #61555
BrandEdelbrock
Cylinder Head StyleAssembled
Material TypeAluminum
FinishAnodized
Combustion Chamber Volume118cc
Intake Runner Volume290cc
GENERAL
Exhaust Runner Volume110cc
Combustion Chamber Volume Range110cc - 119cc
Intake Runner Volume Range290cc - 299cc
Exhaust Runner Volume Range110cc - 119cc
Combustion Chamber StyleHeart
CNC-Machined RunnersNo
CNC-Machined Combustion ChamberNo
Spark Plug StyleAngle
Intake Port ShapeRectangle
Intake Port LocationStandard
Exhaust Port ShapeRound
Exhaust Port LocationStandard
ColorBlack
Intake Valve Diameter2.25"
Intake Valves IncludedYes
Intake Valve Angle26 °
Exhaust Valve Diameter1.89"
Exhaust Valves IncludedYes
Valve Spring IncludedYes
Spring Diameter1.55"
Damper Spring IncludedYes
Number of Springs Per ValveDual
Maximum Lift0.7"
Machined for O-RingNo
Valve Seat Machine Style3-angle
Valve Seats MachinedYes
Valve Seat MaterialDuctile Iron
Valve Stem Seals IncludedYes
Valve Stem Seal TypePositive Stop
Valve Guides IncludedYes
Valve Guide MaterialManganese Bronze
Locks IncludedYes
Lock Style7 Degree
Retainers IncludedYes
Retainer MaterialSteel
Guideplates IncludedYes
Rocker Arms IncludedNo
Rocker Arm Studs IncludedYes
Rocker Arm Nuts IncludedNo
Oiling StyleThrough Pushrod
Heat CrossoverNo
Steam Holes DrilledNo
Accessory Bolt Holes DrilledYes
Valve Cover Mounting StylePerimeter Bolt
NotesSold with valves only to allow for valve spring choices. Marine applications only.
Sold in QuantityEach
GTIN Code085347615551

Questions & Answers

Fitment

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