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Engine Piston Set | KB184.STD

Compression height of this piston is 1.992". .140" quench dome. Suggest checking quench dome with clay for clearance. Centered pin. Closed chamber heads require the quench dome to be machined down.

KB Hyper Piston - Chry 440, Rod 6.768, Step Head .140 -3.5cc 2V

PDF Documents
KB_Automotive_Installation_Instructions.pdf pdf Installation Instruction

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Product Specifications

Sold As Complete Piston Set
Engine Manufacturer Chrysler
Engine Family Mopar Big Block RB
Eng. Disp. In. 440
Eng. Disp Liters 7.2
Year Range 1966-1979
Piston Material Cast 390 Hypereutectic Alloy
Bore Diameter MM 109.7
Bore (in) 4.32
Bore (mm) 109.7
Rod (in) 6.768
Stroke (in) 3.75
Rod (mm) 171.9072
Stroke (mm) 95.3
Oversized No
Oversize STD
Ring Pack 5/64, 5/64, 3/16
Top Land .230
Pin Number 1.094x300K
Pin Type Press or Floating
Pin Configuration Centered
Pin Diameter (in) 1.094
Pin Diameter (mm) 27.8
Lock PRF116-3
Compression Height IN 1.992
Compression Height MM 50.6
Crown Type QUENCH HEAD 2V
Crown (cc) -3.5cc
Intake Valve Depth/diameter .200/2.360
Exhaust Valve Depth/diameter .200/2.360
Alloy Cast 390 Hypereutectic Alloy
Compression Ratio 72-10.4, 80-9.7, 84-9.3, 88-8.9
Oe Deck Height 10.725
Oversizes STD .020 .030 .040 .060
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