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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

$387.20

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
  •  
    Compression Ratios
    cc's
    72-11.9
    80-11.0
    85-10.5
    90-10.0


    Ring Packs
    2-5/64
    1-3/16

     
    Ring Set
    HUG 2160

    Pin Number

    1094x300K

    Lock Ring
    PRF116-3



     


     

    Step Head
    Effective Head Volume: 4.8cc
     

     





































    SPECIFICATIONS
    Bore: 4.320   Rod Length: 6.768   Pin Diameter: 1.094
    Stroke: 3.750   Comp. Ht: 2.057   Sizes Available:
    STD
    .020
    .030
    .040
    .060


     
    Minimum Clearance: Click Here To View
    SPECIAL CLEARANCE REQUIREMENTS
      Crank-to-Deck Clearance: 10.725   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.

    Home | Phone: 309-745-9558 | Email: information@hughesengines.com