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Vehicle Info NeededUNITED ENGINE MACHINEPART NUMBER: 648-KB237.040
Chrysler 440ci Hypereutectic Pistons Flat Top
$50202
Ships on 09/09/2026
Lowest Price GuaranteeChrysler 440ciFlat Top Pistons
- Chrysler 440ci Hypereutectic Pistons
- Flat Top
- 4.360'' Bore (+.040'')
- Use w/6.768'' Connecting Rod & 3.750'' Crank Stroke
- Comp. Ratio: 11.5/72cc; 10.6/80cc; 10.2/85cc; 9.7/90cc
- 8/pkg
Notes: - Zero deck clearanceTechnical Specs:
- Alloy: Hypereutectic 390
- Bore: 4.360'
- Crankshaft Stroke: 3.750'
- Connecting Rod Length: 6.768'
- Deck Height: 10.725'
- Compression Height: 2.067'
- Pin Size: 1.094'
- Pin Location: Centered
- Flat Top: -5cc 2V Relief
- Intake Valve Relief: 0.264' Depth / 2.360' Diameter
- Exhaust Valve Relief: 0.264' Depth / 2.360' Diameter
- Top Landing Height: 0.275'
- Ring Grooves: 5/64' Top; 5/64' Middle; 3/16' Bottom
- Gram Weight: 770/190
- Compression Ratio: 11.5:1 w/72cc Heads; 10.6:1 w/80cc Heads; 10.2:1 w/85cc Heads; 9.7:1 w/90cc Heads
Part TypePiston
BrandUNITED ENGINE MACHINE
Package Height4.5
Package Width9.4
Package Length18.4
Weight18.48 PG
Part CategoryPerformance Parts
Part FitmentSemi Universal
Vendor Part NumberKB237.040
Package Qty1
Package TypeEA
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