Engine Kits

Edelbrock Performer Big Block Chevy Assembled Cylinder Head
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Edelbrock Performer Big Block Chevy Assembled Cylinder Head

Part #: 60499
List Price: $1,949.00
Our Price: $974.50
You Save: $974.50

BB-Chevy 454-O Performer 1987-1995 TBI Performer Cylinder Head High-Compression

  • 100cc semi-open chamber heads feature a 1-1/2° rolled over (angle milled) design that improves intake port alignment and provides a smaller combustion chamber without shrouding the valves
  • 9.2:1 compression with flat-top pistons for an outstanding high performance street head
  • 8.8:1 compression ratio when used on 1987-up TBI-equipped 7.4L dished piston motors
  • Produced over 450 ft/lbs. torque when combined with our Multi-Point EFI System

Assembled, Sold Individually

Accessory Bolt Holes Drilled Yes
Brand Edelbrock
CNC-Machined Combustion Chamber No
CNC-Machined Exhaust Runner No
CNC-Machined Intake Runner No
Combustion Chamber Style Semi-open
Combustion Chamber Volume (cc) 100
Cylinder Head Finish Natural
Cylinder Head Material Aluminum
Cylinder Head Style Assembled
Damper Spring Included No
Exhaust Port Location Standard
Exhaust Port Shape Square
Exhaust Runner Volume (cc) 110cc
Exhaust Valve Diameter (in) 1.880 in.
Exhaust Valves Included Yes
Guideplate Pushrod Size 3/8 in.
Guideplates Included Yes
Heat Crossover Yes
Intake Port Location Standard
Intake Port Shape Oval
Intake Runner Volume (cc) 290cc
Intake Valve Diameter (in) 2.190 in.
Intake Valves Included Yes
Lock Style 7 degree
Locks Included Yes
Machined for O-Ring No
Maximum Valve Lift (in) 0.700 in.
Notes The spark plug location has been moved .150 inch closer toward the bore center. Custom pistons are recommended make sure to check clearance before final assembly.
Number of Springs Per Valve Single
Oiling Style Through pushrod
Outside Diameter of Outer Spring (in) 1.540 in.
Part Type Cylinder Heads
Product Line Edelbrock Performer Cylinder Heads
Quantity Sold individually.
Retainer Material Steel
Retainers Included Yes
Rocker Arm Nut Thread Size 7/16-20 in.
Rocker Arm Nuts Included No
Rocker Arm Studs Included Yes
Rocker Arms Included No
Steam Holes Drilled No
Valve Cover Mounting Style Perimeter bolt
Valve Guide Material Manganese bronze
Valve Guides Included Yes
Valve Seat Machine Style 3-angle
Valve Seat Material Ductile iron
Valve Seats Machined Yes
Valve Springs Included Yes
Valve Stem Seal Set Included Yes
Valve Stem Seal Style PC seal