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