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Engine Piston Kit | KB236KTM.030

Centered pin. Compression height of this piston is 2.057". .075" quench dome. Suggest checking quench dome with clay for clearance. Closed chamber heads require the quench dome to be machined down.

1 Set KB236.030/1 Set 4320AM8.030

PDF Documents
KB_Automotive_Installation_Instructions.pdf pdf Installation Instruction

Product Specifications
Engine Family Mopar Big Block RB
Year Range 1966-1979
Eng. Disp. In. 440
Piston Material Cast 390 Hypereutectic Alloy
Bore Diameter IN 4.32
Bore Diameter MM 109.7
Stroke (in) 3.75
Stroke (mm) 95.3
Rod (in) 6.768
Rod (mm) 171.9072
Compression Height IN 2.057
Compression Height MM 52.2
Ring Pack 5/64, 5/64, 3/16
Pin Diameter (in) 1.094
Pin Diameter (mm) 27.8
Pin Type Press or Floating
Pin Configuration Centered
Pin Number 1.094x300K
Lock PRF116-3
Crown Type STEP HEAD 2V
Crown (cc) +6cc
Compression Ratio 72-11.5, 80-10.7, 84-10.3, 88-9.9
Intake Valve Depth/diameter .264/2.360
Exhaust Valve Depth/diameter .264/2.360
Top Land .220
Oe Deck Height 10.725
Oversized Yes
Oversize .030
Oversizes STD .020 .030 .040 .060
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