• Closed chamber design. Centered pin. Edelbrock and OE style heads. Does not fit Mark 6 heads.
Attributes
Alloy 2618
Base Number IC778
Bore (in) 4.25
Bore (mm) 108, 108.0
Compression Ratio 96.5-11.7, 115-9.9, 119-9.5
Crown (cc) -18cc
Crown Type .190" HOLLOW DOME 1V
Eng. Disp Liters 7.4
Eng. Disp. In. 454
Engine Family Chevrolet BB V8 Mark IV
Engine Manufacturer Chevrolet
GTIN 00800745114129
Hazardous Material Code N
Intake Valve Depth/diameter .285/2.300
Life Cycle Status Code Available to Order
Lock PRG110-3
Make For Engine Family General Motors
Oe Deck Height 9.8
Oversize .030
Oversizes STD .030 .040 .060 .070 .100
Pin Configuration Centered
Pin Diameter (in) .990
Pin Diameter (mm) 25.1
Pin Number .990x2.750
Pin Type Press or Floating
Ring Pack 1/16, 1/16, 3/16
Rod (in) 6.385
Rod (mm) 162.179
Sold as PISTON SET
Stroke (in) 4
Stroke (mm) 101.6
Top Land .365
Year From 1970
Year Range 1970-2000
Year To 2000

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Icon Forged Pistons IC778.030 ICON Forged Piston - Chevy 454 Rod 6.385 cc Hollow Dome -18cc 1V

Product Information

This product has a minimum quantity of 8.

Tags: Chevy Big Block Mark IV