Edelbrock 61905 Performer LT1 Cylinder Head, Chevy 5.7L LT1
Edelbrock 61905 Performer LT1 Cylinder Head, Chevy 5.7L LT1
Edelbrock

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#32561905

Edelbrock 61905 Performer LT1 Cylinder Head, Chevy 5.7L LT1

  • This head is designed to accept factory style self-aligning rockers.
  • This Performer LT1 cylinder head is 50-state street legal and accept factory center bolt valve covers.
  • It features exhaust ports in the stock location for use with stock or aftermarket exhaust manifolds and headers.
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$1,188.95

/each

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Product Summary

Assembled Cylinder Head Style, Aluminum, Natural

  • This head is designed to accept factory style self-aligning rockers.
  • This Performer LT1 cylinder head is 50-state street legal and accept factory center bolt valve covers.
  • It features exhaust ports in the stock location for use with stock or aftermarket exhaust manifolds and headers.
  • Match with RPM Air-Gap intake #7107, throttle body #3809 and camshaft #2108 for the Total Power Package combo.
  • Cylinder Head Specifications:
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Key Specs

Cylinder Head StyleAssembled
Material TypeAluminum
FinishNatural
Combustion Chamber Volume54cc
Intake Runner Volume170cc
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Edelbrock 61905 Details

Edelbrock part #61905 Performer small-block Chevy LT1 (1992-97) Performer complete cylinder head delivers 24 horsepower over stock and raise the peak power level by 500 rpm.

  • This head is designed to accept factory style self-aligning rockers.
  • This Performer LT1 cylinder head is 50-state street legal and accept factory center bolt valve covers.
  • It features exhaust ports in the stock location for use with stock or aftermarket exhaust manifolds and headers.
  • Match with RPM Air-Gap intake #7107, throttle body #3809 and camshaft #2108 for the Total Power Package combo.
  • Cylinder Head Specifications:
    • Exhaust port location: Stock
    • Spark plug fitment: 14mm x 3/4 reach, gasket seat

Charts

Edelbrock 61905 Specifications

D-215-70
KEY SPECS
MFG. Part #61905
BrandEdelbrock
Cylinder Head StyleAssembled
Material TypeAluminum
FinishNatural
Combustion Chamber Volume54cc
Intake Runner Volume170cc
CARB EO#
GENERAL
Exhaust Runner Volume60cc
Combustion Chamber Volume Range50cc - 59cc
Intake Runner Volume Range170cc - 179cc
Exhaust Runner Volume Range60cc - 69cc
CNC-Machined RunnersNo
CNC-Machined Combustion ChamberNo
Intake Port ShapeRectangle
Intake Port LocationStandard
Exhaust Port LocationStandard
Intake Valve Diameter1.94"
Intake Valves IncludedYes
Intake Valve Angle23 °
Exhaust Valve Diameter1.55"
Exhaust Valves IncludedYes
Valve Spring IncludedYes
Spring Diameter1.46"
Damper Spring IncludedYes
Number of Springs Per ValveSingle
Maximum Lift0.600"
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 IncludedNo
Guideplate Pushrod Size0.312"
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 StyleCenterbolt
NotesValve springs are designed for use with a hydraulic roller camshaft.
Sold in QuantityEach
GTIN Code085347619054

Questions & Answers

1 Question • 1 Answer

Hey Guys, will these heads fit on a 283, or are the valves to big for the bore size.

by Mark

• 5 years ago

1 answer

View Answer

1 of 1 questions shown

Fitment

  • Gen 2 LT1 Small Block Chevy

  • Gen 2 LT1 Small Block Chevy

  • Gen 2 LT1 Small Block Chevy

  • Gen 2 LT1 Small Block Chevy

  • Gen 2 LT1 Small Block Chevy

  • Gen 2 LT1 Small Block Chevy

  • Gen 2 LT1 Small Block Chevy

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