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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB373.060
360ci Pistons, .060" Overbore Piston Dia.: 4.060"
$48599
Ships on 09/09/2026
Lowest Price GuaranteeChrysler 360ci Pistons
- 360ci Pistons, .060'' Overbore
- Piston Dia.: 4.060''
- Piston Top: 2.75cc Stepped Top, Neutral
- Comp Ratio: 11.2:1 w/62cc Heads, 10.1:1 w/72cc Heads
- Rings: 5/64'', 5/64'', 3/16''
Priced Each, sold as set
100% CNC Machined Pistons
New high silicon alloys and diamond tooling have give Keith Black designers the material and equipment for performance breakthroughs in engine design. KB piston are 100% CNC machined and T-6 heat treated from 16%-18% silcon Hypereutectic alloy. Features include drilled oil returns and pin oil supply, .072'' spiral wound retaining ring, 100% diamond turned, compensated high strength ring lands, high top ring location, 360° pressure pin oiling, diamond honed pin hole and lightweight rigid rib skirt design.
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Features:
- 390 Hypereutectic alloy with 16% Silicon
- Fully machined crowns and valve reliefs
- Drilled oil drain backs
- Full floating wrist pins
- Triple wound spiral locks
- Reflective alloy allows 2% power increase
- Quench dome technology minimizes deterioration
- Zero deck quench designs
- Sold in Sets (except when noted as 1 piston per package)
Part TypePiston
Product LineUEM Pistons KB Signature Series Hypereutectic Chrysler Pistons
BrandUNITED ENGINE MACHINE
Package Height4.5
Package Width4.5
Package Length4.8
Weight1.4 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberKB373.060
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
