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Engine Piston Kit | KB243KTM.040

Centered pin. Piston above deck .018.

1 Set KB243.040/1 Set 4000AM8.080

PDF Documents
KB_Automotive_Installation_Instructions.pdf pdf Installation Instruction

Product Specifications
Engine Family Mopar Small Block LA
Year Range 1956-1973
Eng. Disp. In. 340
Piston Material Cast 390 Hypereutectic Alloy
Bore Diameter IN 4.04
Bore Diameter MM 102.6
Stroke (in) 3.31
Stroke (mm) 84.1
Rod (in) 6.123
Rod (mm) 155.5242
Compression Height IN 1.84
Compression Height MM 46.7
Ring Pack 5/64, 5/64, 3/16
Pin Diameter (in) .984
Pin Diameter (mm) 25.0
Pin Type Press or Floating
Pin Configuration Centered
Pin Number 0984x300K
Lock PRH107-3
Crown Type FLAT TOP 2V
Crown (cc) +6cc
Compression Ratio 57-10.9, 60-10.5, 64-10.0, 68-9.6
Intake Valve Depth/diameter .286/2.200
Exhaust Valve Depth/diameter .286/2.200
Top Land .305
Oe Deck Height 9.599
Oversized Yes
Oversize .040
Oversizes STD .020 .030 .040 .060
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