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Engine Piston Set | IC509LCA.025

Centered pin. Open chamber hollow dome with centered pin. Anodized top ring groove and dome. Line2Line abradable skirt coating. Upgraded Trend 4130 G-series wrist pins. Lateral gas ports.

ICON Forged Piston - Chevy BB, 4.600" Bore, -40cc Dome

PDF Documents
Icon2618_Ins.pdf pdf Installation Instruction

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Product Specifications
Engine Manufacturer GM
Engine Family Chevrolet BB V8 Aftermarket Block
Year Range -
Eng. Disp. In. 582
Eng. Disp Liters 9.5
Piston Material Forged 2618 Alloy
Bore Diameter IN 4.6
Bore Diameter MM 116.8
Stroke (in) 4.375
Stroke (mm) 111.1
Rod (in) 6.385
Compression Height IN 1.215
Compression Height MM 30.8
Ring Pack .043", 1/16, 3/16
Pin Diameter (in) .990
Pin Diameter (mm) 25.1
Pin Type Press or Floating
Pin Configuration Centered
Pin Number G9902930185
Lock PRG110-3
Crown Type DOME
Crown (cc) -40cc
Compression Ratio 119-14.3
Intake Valve Depth/diameter .350/2.536
Exhaust Valve Depth/diameter /2.04
Top Land .300
Oe Deck Height 9.8
Oversized Yes
Oversize .025
Oversizes STD .005 .010 .025
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