Icon PistonsIcon Piston, Domed, Forged, 4.290 in Bore, 1/16 x 1/16 x 3/16 in Ring Grooves, Plus 18.00 cc
Product details
| Management number | 215565490 | Release Date | 2026/04/12 | List Price | $338.77 | Model Number | 215565490 | ||
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Icon Big Block Chevy 454 ci Forged Pistons4.290 in. Bore (+.040 in.)6.135 in. Connecting Rod 4.000 in. Crank StrokeHollow Dome Top .190 in.Comp. Ratio: 11.7/96.5 cc; 9.9/108 cc; 9.5/119 ccSet of 8 Technical Specs:Alloy: Premium High Ductility 2618Bore: 4.290 in.Crankshaft Stroke: 4.000 in.Connecting Rod Length: 6.135 in.Deck Height: 9.800 in.Compression Height: 1.645 in.Pin Size: 0.990 x 2.750 in.Pin Location: CenteredHollow Dome Top: .190 in. 18cc 1 Valve Relief (Closed Chamber Head)Intake Valve Relief: 0.286 in. Depth / 2.300 in. DiameterExhaust Valve Relief: N/ATop Landing Height: 0.365 in.Ring Grooves: 1/16 in. Top; 1/16 in. Middle; 3/16 in. BottomGram Weight: 648/141Compression Ratio: 11.7:1 w/96.5 cc Heads; 9.9:1 w/108 cc Heads; 9.5:1 w/119 ccDesigned for O.E. and Edelbrock style cylinder heads
- Dome Style
- Designed to meet original part specifications
- Exact fitment and original replacement
- Designed to deliver trouble-free, consistent performance
- Comp. Ratio: 11.7/96.5 cc; 9.9/108 cc; 9.5/119...
| Brand | United Engine Machine |
|---|---|
| Model | JEGS |
| Exterior | Per Item Description |
| Item Weight | 15.17 pounds |
| Manufacturer | United Engine Machine |
| OEM Part Number | IC779.040 |
| Item model number | 648-IC779.040 |
| Product Dimensions | 19 x 9.5 x 5.1 inches |
| Manufacturer Part Number | IC779.040 |
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