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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB140.030
Chevy 400ci Hypereutectic Pistons Solid Dome .100"
$43011
Ships on 09/04/2026
Lowest Price GuaranteeChevy 400ciDome Top Pistons Use w/5.700'' Connecting Rods
- Chevy 400ci Hypereutectic Pistons
- Solid Dome .100''
- 4.155'' Bore (+.030'')
- Use w/5.700'' Connecting Rod & 3.750'' Crank Stroke
- Comp. Ratio: 13.6/58cc; 12.8/62cc; 12.5/64cc; 10.9/76cc
- 8/pkg
Technical Specs: - Alloy: Hypereutectic 390
- Bore: 4.155'
- Crankshaft Stroke: 3.750'
- Connecting Rod Length: 5.700'
- Deck Height: 9.025'
- Compression Height: 1.433'
- Pin Size: 0.9272'
- Pin Location: Centered
- Flat Top: -.5cc 2 Symmetrical Valve Reliefs
- Intake Valve Relief: 0.280' Depth / 2.168' Diameter
- Exhaust Valve Relief: 0.280' Depth / 2.168' Diameter
- Top Landing Height: 0.275'
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Gram Weight: 583/145
- Compression Ratio: 13.6:1 w/58cc Heads; 12.8:1 w/62cc Heads; 12.5:1 w/64cc; 10.9:1 w/76cc Heads
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height4.5
Package Width4.5
Package Length4.8
Weight1.8 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberKB140.030
Package Qty1
Package TypeEA
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