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| Return to Parts List | Category : E- Big Block (Raised Deck) : Pistons (Stock Stroke) : Step Head (Quench Dome) Hyper : 4.320" Bore | KBP KB236.STD KB HYPEREUT STEP HEAD PISTON SET 4.320" STEP HEAD WITH TWO VALVE RELIEFS $591.20
Chrysler 440, V-8 
390 Hypereutectic alloy
Fully machined crowns and valve reliefs
Drilled oil drain backs
Full floating wrist pins
Triple wound spiral locks
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Compression Ratios
cc's
72-11.9
80-11.0
85-10.5
90-10.0
Ring Packs
2-5/64
1-3/16
Pin Number
1094x300K
Lock Ring
PRF116-3
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Step Head
Effective Head Volume: 4.8cc
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| SPECIFICATIONS |
| Bore: |
4.320 |
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Rod Length: |
6.768 |
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Pin Diameter: |
1.094 |
| Stroke: |
3.750 |
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Comp. Ht: |
2.057 |
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Sizes Available: |
STD
.020
.030
.040
.060
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| Minimum Clearance: |
Click Here To View
SPECIAL CLEARANCE REQUIREMENTS |
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Crank-to-Deck Clearance: |
10.725 |
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Weight
Piston / Pin: |
775 / 190 |
| NOTES |
| Compression height of this piston is 2.057". .075" quench dome, centered pin. Suggest claying quench dome for clearance. Closed chamber heads require the quench dome to be machined down. |
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Home | Phone: 309-745-9558 | Email: information@hughesengines.com |
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