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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB147.030-1
Single Hypereutectic Dish Top Pistons for Small Block Chevy 400 ci +.030 in. Overbore
$11711
Ships on Sep 14, 2026
Lowest Price GuaranteeChevy 400ciDish Top Pistons Use w/5.700'' Connecting Rods
- Single Hypereutectic Pistons
- Small Block Chevy 400 ci
- Dish Top
- 4.155 in. Bore (+.030)
- Use w/5.700 in. Connecting Rod & 3.750 in. Crank Stroke
- Comp. Ratio: 10.8/58 cc; 10.4/62 cc; 10.2/64cc; 9.1/76 cc
- Sold Individually
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: -18cc 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: 0.265'
- Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
- Gram Weight: 543/145
- Compression Ratio: 10.8:1 w/58cc Heads; 10.4:1 w/62cc Heads; 10.2:1 w/64cc; 9.1:1 w/76cc Heads
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height4.5
Package Width4.5
Package Length4.8
Weight1.7 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberSKB147.030
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
