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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB203KTM.STD
Chevy 454 Hypereutectic Pistons Solid Dome
$53055
Ships on 09/09/2026
Lowest Price GuaranteeChevy 454ciDome Top Pistons
- Chevy 454 Hypereutectic Pistons
- Solid Dome
- Bore: 4.250"
- Use W/6.135" Connecting Rod And 4.000" Crank Stroke
- Compression Ratio: 96.5cc-11.0, 105cc-10.2, 108cc-9.9, 119cc-9.1
- 8/pkg
- Bore:4.250
- Stroke:4.000
- Rod Length:6.135
- Comp. Height:1.645
- OE Deck Height:9.000
- Pin Diameter:.09900
- Top Land:0.319
- Weight Piston/Pin:721/158
- Head Type:Solid Dome
- Ext. Valve Depth:0.000
- Int. Relief Depth:0.266
- Effective Head Volume:-12cc
- Ext. Valve Diameter:0.000
- Int. Relief Diameter:2.310
- Ring Packs:2-5/64, 1-3/16
- Ring Sets:4250AM8
- Pin Number0990x300K
- Lock RingPRG110-3
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height8.2
Package Width10.5
Package Length19.4
Weight18.68 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberKB203KTM.STD
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
