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ICON Premium Kit | IC689KTD.030

Centered pin. Fits Indy, Edelbrock, 440 Source and OE heads. No STD size. Designed for 383" block with 3.750" stroke and 6.760" rod. Ratios calculated with block machined to .000" deck clearance. .990" wrist pin.

1 Set IC689.030/1 Set 4250BD8.035

PDF Documents
Icon2618_Ins.pdf pdf Installation Instruction

Product Specifications
Sold As KIT W/RINGS
Engine Manufacturer Chrysler
Engine Family Mopar Big Block B
Eng. Disp. In. 431
Eng. Disp Liters 7.1
Year Range -
Bore (in) 4.25
Bore (mm) 108
Stroke (in) 3.75
Stroke (mm) 95.3
Oversized Yes
Oversize .030
Ring Pack 1/16, 1/16, 3/16
Top Land .250
Pin Number .990x300K
Pin Type Press or Floating
Pin Diameter (in) .990
Pin Diameter (mm) 25.1
Lock PRG110-3
Compression Height IN 1.318
Compression Height MM 33.5
Crown (cc) +4.5cc
Alloy 2618
Compression Ratio 75-12.3L, 80-11.7, 88-10.8
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