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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-IC882.005-1
ICON Premium Forged Ford Modular 4.6L 5.4L 2/4V Piston 3.556" Bore
$19837
Ships on 09/14/2026
Lowest Price GuaranteeFord 4.6L / 5.4L 2/4VFlat Top Pistons
- Ford Modular 4.6L / 5.4L 2/4V Forged Piston
- Flat Top
- 3.556" Bore (+.005")
- 4.6L 5.933" Rod; 3.543" Stroke
- 4.6L C/R:13.0/42cc; 12.1/46cc; 11.0/52cc
- 5.4L 6.657" Rod; 4.165" Stroke
- 5.4L C/R: 11.0/42cc; 10.6/46cc; 9.8/52cc
- 1/pkg
Technical Specs: - Alloy: Premium High Ductility 2618
- Bore: 3.556" (3.5512" Standard Bore Dimension)
- Crankshaft Stroke: 3.543" (4.6L); 4.165" (5.4L)
- Connecting Rod Length: 5.933" (4.6L); 6.657" (5.4L)
- Deck Height: 8.937" (4.6L); 10.078" (5.4L - Note: Piston sits 0.118" below deck.)
- Compression Height: 1.220"
- Pin Size: 0.866" x 2.250"
- Pin Location: Centered
- Effective Head Volume: 0cc (Flat Top)
- Intake Valve Relief: 0.000" Depth / 0.000" Diameter
- Exhaust Valve Relief: 0.000" Depth / 0.000" Diameter
- Top Landing Height: 0.210"
- Ring Grooves: 1.5mm Top; 1.5mm Middle; 3.0mm Bottom
- Gram Weight: 345/95 (Piston/Pin)
- 4.6L Compression Ratio: 13.0:1 w/42cc Heads; 12.1:1 w/46cc Heads; 11.0:1 w/52cc
- 5.4L Compression Ratio: 11.0:1 w/42cc Heads; 10.6:1 w/46cc Heads; 9.8:1 w/52cc
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height5.1
Package Width5.1
Package Length5.3
Weight1.79 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberSIC882.005
Package Qty1
Package TypeEA
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