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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-3437HC.STD
Chevy 350ci Hypereutectic Piston Flat Top 4V Reliefs
$22081
Ships on 09/08/2026
Lowest Price Guarantee350 ci. Chevy Small Block Engines
- Chevy 350ci Hypereutectic Piston
- Flat Top 4V Reliefs
- 4.000'' Bore
- Ring thickness: 5/64'' x 5/64'' x 3/16''
- Coated Skirts
- 8/pkg
Technical Specs: - Bore: 4.000'
- 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: 3911000; FM H345ACP
Interchange Part Numbers: Sealed Power: H345ACP, General Motors: 3892673, General Motors: 3911020
Get the most from your hard-earned dollars with UEM Pistons Silv-O-Lite hypereutectic pistons. These pistons utilize aluminum alloy high in silicon for greater strength plus scuff and seizure resistance. Silv-O-Lite pistons have improved groove wear and resist cracking in the crown area where operating temperatures are severe. Silv-O-Lite hypereutectic pistons feature reinforced top lands and their proprietary process of diamond finished skirts. Spend wisely and choose replacement pistons that will work hard for you--Silv-O-Lite hypereutectic pistons.
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Features:
- Reinforced top lands
- Coated skirts
- Floating wrist pins where applicable
- Application specific aluminum alloys
- Diamond finished skirts
- Pin hole accurate to +/- .0001
- Sold in Sets (except when noted as 1 piston per package)
Part TypePiston
Product LineUEM Pistons Silv-O-Lite Hypereutectic Small Block Chevy Pistons
BrandUNITED ENGINE MACHINE
Package Height3.7
Package Width9.2
Package Length18.1
Weight13.4 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part Number3437HC.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
