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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 & Ring Kit - Ford 390ci/6.4L (V8)

PDF Documents
SIL_Instruc.pdf pdf Installation Instruction

Product Specifications
Sold As Kit w/ Rings
Engine Manufacturer Ford
Engine Family Ford Big Block FE
Oe Assembly C8TZ6108R, D1AZ6108G
Year Range 1968-1976
Bore (in) 4.05
Bore (mm) 102.9
Stroke (in) 3.78
Stroke (mm) 96.01
Eng. Disp. Liters 6.4
Oversized No
Eng. Disp. In. 390
Compression Height in 1.66
Oversize STD
Oversizes STD .020 .030 .040 .060
Rod (in) 6.497
Rod (mm) 165.02
Pin Number 0975X305C
Compression Height in 1.66
Pin Configuration Offset
Compression Height mm 42.1
Crown (cc) +9.5cc
Lock 98
Compression Ratio 8.2:1
Crown Type Dish
Pin Type Floating
Pin Diameter (in) 0.975
Alloy Cast 390 Hypereutectic Alloy
Pin Diameter (mm) 24.8
Ring Pack 5/64, 3/32, 3/16
Piston Material Cast 390 Hypereutectic Alloy
Top Land 0.23
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