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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
Eng. Disp. In. 390
Year Range 1968-1976
Oe Assembly C8TZ6108R, D1AZ6108G
Bore (in) 4.05
Bore (mm) 102.9
Stroke (in) 3.78
Stroke (mm) 96.01
Oversized No
Oversize STD
Ring Pack 5/64, 3/32, 3/16
Top Land 0.23
Pin Number 0975X305C
Pin Type Floating
Pin Diameter (in) 0.975
Pin Diameter (mm) 24.8
Lock 98
Compression Height in 1.66
Compression Height mm 42.1
Crown (cc) +9.5cc
Alloy Cast 390 Hypereutectic Alloy
Compression Ratio 8.2:1
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