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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-3437HC.030
Chevy 350ci Hypereutectic Pistons Flat Top 4V Reliefs
$22081
Ships on 09/09/2026
Lowest Price Guarantee350 ci. Chevy Small Block Engines
- Chevy 350ci Hypereutectic Pistons
- Flat Top 4V Reliefs
- 4.030'' Bore (+.030'')
- Ring thickness: 5/64'' x 5/64'' x 3/16''
- Coated Skirts
- 8/pkg
Technical Specs: - Bore: 4.030'
- Compression Height: 1.560'
- Flat Top: -6.0cc 4 Symmetrical Valve Reliefs
- Pin Size: 0.9273'
- Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
- Pin Location: Offset
- O.E. Assembly #/Interchange: 3911020; FM H345ACP
Interchange Part Numbers: Sealed Power: H345ACP030
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height3.7
Package Width9.3
Package Length18.3
Weight13.59 PG
Part CategoryPerformance Parts
Compression Distance1.56 in (39.624 mm)
Piston Ring Thickness (In.)5/64 x 3/32 x 3/16
Wrist Pin StylePress-fit
QuantitySold as a set of 8
Piston MaterialHypereutectic aluminum
Pin Diameter0.927 in (23.5 mm)
Bore (Mm)102.362
Piston StyleFlat top, with four valve reliefs
Bore4.03 in (102.362 mm)
Vendor Part Number3437HC.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
