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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB147.STD
Hypereutectic Dish Top Pistons for Small Block Chevy 400 ci
$46842
Ships on 09/08/2026
Lowest Price GuaranteeChevy 400ciDish Top Pistons Use w/5.700'' Connecting Rods
Hypereutectic PistonsSmall Block Chevy 400 ci Dish Top 4.125 in. Bore (Standard) 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 Set of 8
Technical Specs:
- Alloy: Hypereutectic 390
- Bore: 4.125 in.
- Crankshaft Stroke: 3.750 in.
- Connecting Rod Length: 5.700 in.
- Deck Height: 9.025 in.
- Compression Height: 1.433 in.
- Pin Size: 0.9272 in.
- Pin Location: Centered
- Flat Top: -18cc 2 Symmetrical Valve Reliefs
- Intake Valve Relief: 0.280 in. Depth / 2.168 in. Diameter
- Exhaust Valve Relief: 0.280 in. Depth / 2.168 in. Diameter
- Top Landing Height: 0.265 in.
- Ring Grooves: 5/64 in. Top; 5/64 in. Middle; 3/16 in. Bottom
- Gram Weight: 543/145
- Compression Ratio: 10.8:1 w/58 cc Heads; 10.4:1 w/62 cc Heads; 10.2:1 w/64cc; 9.1:1 w/76cc Heads
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height5.4
Package Width10.7
Package Length19.3
Weight13.49 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberKB147.STD
Package Qty1
Package TypeEA
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