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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB373.030
Chrysler 360ci Hypereutectic Pistons Quench Head
$48599
Ships on 09/11/2026
Lowest Price GuaranteeChrysler 360ciQuench Top Pistons
- Chrysler 360ci Hypereutectic Pistons
- Quench Head
- 4.030'' Bore (+.030'')
- Use w/6.123'' Connecting Rod & 3.580'' Crank Stroke
- Comp. Ratio: 11.2/62cc; 11.0/64cc; 10.5/68cc; 10.0/72cc
- 8/pkg
Note: - Piston may protrude on 1992-up Magnum truck blocks
- Quench dome elevated .085'
- Machining required to achieve optimum quench
- Will not work with Magnum or Edelbrock closed chamber heads
Technical Specs: - Alloy: Hypereutectic 390
- Bore: 4.030'
- Crankshaft Stroke: 3.580'
- Connecting Rod Length: 6.123'
- Deck Height: 9.599'
- Compression Height: 1.675'
- Pin Size: 0.9842'
- Pin Location: Centered
- Quench Top: -2.8cc 2V Relief
- Intake Valve Relief: 0.286' Depth / 2.200' Diameter
- Exhaust Valve Relief: 0.286' Depth / 2.200' Diameter
- Top Landing Height: 0.275'
- Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
- Gram Weight: 512/132
- Compression Ratio: 11.2:1 w/62cc Heads; 11.0:1 w/64cc Heads; 10.5:1 w/68cc Heads; 10.0:1 w/72cc Heads
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height3.8
Package Width9.2
Package Length18.1
Weight12.41 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberKB373.030
Package Qty1
Package TypeEA
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Some parts are not legal for use in California or other states with similar laws / regulations
