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Engine Piston Set | KB424C.040

Offset pin. Press or floating rod. Use 4.0L block and rods with 258ci crank.

KB Hyper Coated Piston - JEEP 4.0L to 4.6L Stroker

PDF Documents
KB_Automotive_Installation_Instructions.pdf pdf Installation Instruction

Product Specifications
Sold As PISTON SET
Engine Manufacturer Jeep
Engine Family AMC I6
Eng. Disp. In. 281
Eng. Disp Liters 4.6
Year Range -
Piston Material Cast 390 Hypereutectic Alloy
Bore Diameter MM 98.4
Bore (in) 3.875
Bore (mm) 98.4
Rod (in) 6.123
Stroke (in) 3.895
Rod (mm) 155.5242
Stroke (mm) Cast 390 Hypereutectic Alloy
Oversized Yes
Oversize .040
Ring Pack 5/64, 5/64, 3/16
Top Land .250
Pin Number 0931x2.690x.134
Pin Type Press or Floating
Pin Configuration Offset
Pin Diameter (in) .931
Pin Diameter (mm) 23.6
Lock LR906F
Compression Height IN 1.353
Compression Height MM 34.6
Crown Type DISH
Crown (cc) +27.5cc
Alloy 390
Compression Ratio 60-8.8
Oe Deck Height 9.45
Oversizes STD .020 .030 .040 .060
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