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Engine Piston Kit | 1139-STDK1

  • 2.620" diameter recess .075" deep.
  • 4 valve reliefs.
  • Car and truck engine.
  • .060" Offset, floating pin.
  • Head volume +9.5cc.
  • Piston and Ring Kit.

Silv-O-Lite Piston - Ford 390ci/6.4L (V8) Kit with Rings

PDF Documents
SIL_Instruc.pdf pdf Installation Instruction

Product Specifications
Sold As Complete Piston and Ring Kit
Engine Manufacturer Ford
Engine Family Ford Big Block FE
Oe Assembly C8TZ6108R, D1AZ6108G
Year Range 1968-1976
Bore Diameter IN 4.050
Bore Diameter MM 102.90
Eng. Disp. Liters 6.4
Oversized No
Oversizes STD .020 .030 .040 .060
Rod (in) 6.497
Rod (mm) 165.02
Compression Height in 1.66
Compression Height mm 42.1
Crown (cc) +9.5cc
Compression Ratio 8.2:1
Pin Type Floating
Pin Diameter (in) 0.975
Pin Diameter (mm) 24.8
Piston Material Cast 390 Hypereutectic Alloy
Top Land 0.23
Stroke (in) 3.78
Stroke (mm) 96.01
Compression Height in 1.66
Eng. Disp. In. 390
Oversize STD
Pin Number 0975X305C
Pin Configuration Offset
Lock 98
Crown Type Dish
Alloy Cast 390 Hypereutectic Alloy
Ring Pack 5/64, 3/32, 3/16
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