Product Summary

Assembled Cylinder Head Style, Aluminum, Natural

  • The Edelbrock #60559 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 2500 to 7000 rpm.
  • They also feature the highest quality intake and exhaust valves and valve springs.
  • For use on pre-pollution controlled vehicles only.
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Key Specs

Cylinder Head StyleAssembled
Material TypeAluminum
FinishNatural
Combustion Chamber Volume118cc
Intake Runner Volume315cc/300cc
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Need To Know

Quick and Easy Returns

Return Policy

Edelbrock 60559 Details

The Edelbrock #60559 Performer RPM Rectangle Port cylinder head is designed for Big-Block Chevy applications.

  • The Edelbrock #60559 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 2500 to 7000 rpm.
  • They also feature the highest quality intake and exhaust valves and valve springs.
  • For use on pre-pollution controlled vehicles only.

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 60559 Specifications

KEY SPECS
MFG. Part #60559
BrandEdelbrock
Cylinder Head StyleAssembled
Material TypeAluminum
FinishNatural
Combustion Chamber Volume118cc
Intake Runner Volume315cc/300cc
GENERAL
Exhaust Runner Volume110cc
Combustion Chamber Volume Range110cc - 119cc
Intake Runner Volume Range310cc - 319cc
Exhaust Runner Volume Range110cc - 119cc
Combustion Chamber StyleSemi-Open
CNC-Machined RunnersNo
CNC-Machined Combustion ChamberNo
Intake Port ShapeRectangle
Intake Port LocationStandard
Exhaust Port ShapeRound
Exhaust Port LocationStandard
Intake Valve Diameter2.19"
Intake Valves IncludedYes
Intake Valve Angle26 °
Exhaust Valve Diameter1.88"
Exhaust Valves IncludedYes
Valve Spring IncludedYes
Spring Diameter1.54"
Damper Spring IncludedNo
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
Guideplate Pushrod Size0.375"
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
NotesSpark plug is closer to center of bore and will interfere with high-dome pistons designed for open chamber heads. Use pistons designed for these heads if a large dome is desired.
Sold in QuantityEach
GTIN Code085347605590

Questions & Answers

1 Question • 1 Answer

Will these heads fit a 2002 gmc 8.1?

by Jake

• 3 years ago

1 answer

1 of 1 questions shown

Fitment

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