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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-IC755.030
Chevy 400ci Forged Pistons Flat Top
$79348
Ships on 09/10/2026
Lowest Price GuaranteeChevy 400ciFlat Top Pistons Use w/6.000'' Connecting Rods
- Chevy 400ci Forged Pistons
- Flat Top
- 4.125'' Bore (+.030'')
- Use w/6.000'' Connecting Rod & 3.750'' Crank Stroke
- Comp. Ratio: 12.6/58cc; 11.7/64cc; 10.3/76cc
- 8/pkg
Technical Specs: - Alloy: Premium High Ductility 2618
- Bore: 4.155'
- Crankshaft Stroke: 3.750'
- Connecting Rod Length: 6.000'
- Deck Height: 9.025'
- Compression Height: 1.133'
- Pin Size: 0.927' x 2.750'
- Pin Location: Centered
- Flat Top: -4.8cc 2 Symmetrical Valve Reliefs
- Intake Valve Relief: N/A
- Exhaust Valve Relief: N/A
- Top Landing Height: N/A
- Ring Grooves: 1/16' Top; 1/16' Middle; 3/16' Bottom
- Gram Weight: 449/132
- Compression Ratio: 12.6:1 w/58cc Heads; 11.7:1 w/64cc Heads; 10.3:1 w/76cc
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height3.8
Package Width9.3
Package Length18.1
Weight11.12 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberIC755.030
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
