Edelbrock Performer High Compression Big Block Chevy Oval Port Complete Hydraulic Flat Tappet Springs

Edelbrock:
60499
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$999.50

Edelbrock Performer High Compression Big Block Chevy Oval Port Complete Hydraulic Flat Tappet Springs

The Edelbrock #60499 Performer High Compression Cylinder Heads are designed for Big-Block Chevy Oval Port V8 applications. These Edelbrock Performer Series Cylinder heads are 50-state street legal and provide outstanding performance from Idle-5,500 RPM’s. The Edelbrock Performer heads are perfect for street performance, daily drivers, street rods and muscle cars where seat-of-the-pants performance is needed. They also feature the highest quality intake and exhaust valves and valve springs.

Installation Notes    

    EQUIPPED WITH SPRINGS FOR USE IN HYDRAULIC FLAT TAPPET CAMSHAFT APPLICATIONS
    #60499 Intake entry and exhaust exists are not profiled.
    Match with Edelbrock head gasket sets.
    Recommended spark plugs 14mm x 3/4" reach with flat gasket seat (Champion RC12YC).
    100cc semi-open chamber cylinder 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 1987-95 TBI-equipped 7.4L dished piston engines
    Performer applications include heat crossover passage for emissions related engines
    Performer 454-O are 50-state street legal

CNC Ported    No
Combustion Chamber Volume    100.0 cc
Deck Height    10.2 in
Deck Thickness    0.562 in
Exhaust Valve Diameter    1.880 in
Guide Plates Included    Yes
Intake Runner Volume    290.0 cc
Intake Valve Diameter    2.190 in
Material    Aluminum
Push Rod Diameter    0.375 in
Rocker Stud Diameter    0.437 in
Valve Angle    26 deg
Valve Spring Diameter    1.500 in
Valve Spring Maximum Lift    0.700 in
Valve Stem Diameter    0.341 in

-1975 Chevrolet C10-1976 Chevrolet C10-1977 Chevrolet C10-1978 Chevrolet C10-1979 Chevrolet C10-1979 GMC C1500-1979 GMC C2500-1979 GMC C3500-1980 Chevrolet C10-1980 GMC C1500-1980 GMC C2500-1980 GMC C3500-1981 GMC C2500-1981 GMC C3500-1982 GMC C2500-1982 GMC C3500-1983 GMC C2500-1983 GMC C3500-1984 GMC C2500-1984 GMC C3500-1985 GMC C2500-1985 GMC C3500-1986 GMC C2500-1986 GMC C3500-1988 Chevrolet C3500-1988 GMC C3500-1989 Chevrolet C3500-1989 GMC C3500-1990 Chevrolet C1500-1990 Chevrolet C3500-1990 GMC C3500-1991 Chevrolet C1500-1991 Chevrolet C2500-1991 Chevrolet C3500-1991 GMC C2500-1991 GMC C3500-1992 Chevrolet C1500-1992 Chevrolet C2500-1992 Chevrolet C3500-1992 GMC C2500-1992 GMC C3500-1993 Chevrolet C1500-1993 Chevrolet C2500-1993 Chevrolet C3500-1993 GMC C2500-1993 GMC C3500-1994 Chevrolet C2500-1994 Chevrolet C3500-1994 GMC C2500-1994 GMC C3500-1995 Chevrolet C2500-1995 Chevrolet C3500-1995 GMC C2500-1995 GMC C3500

California Residents: Proposition 65 Warning

This item is 50-state legal (CARB E.O. Number D-215-94)

Vehicle Fitment

This product will fit the following C10 years:

This product will fit the following Sierra years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,

This product will fit the following Sierra 2500/3500 years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,

This product will fit the following Silverado years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,

This product will fit the following Silverado 2500/3500 years:

  • 1988,
  • 1989,
  • 1990,
  • 1991,
  • 1992,
  • 1993,
  • 1994,
  • 1995,
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