Brand

Engine Piston Set | 1139.STD

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

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

PDF Documents
SIL_Instruc.pdf pdf Installation Instruction

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Product Specifications

Sold As PISTON SET
Engine Manufacturer Ford
Engine Family Ford Big Block FE
Eng. Disp. In. 390
Eng. Disp Liters 6.4
Year Range 1968-1976
Piston Material Cast 332 Alloy
Bore Diameter MM 102.9
Oe Assembly C8TZ6108R, D1AZ6108G
Bore (in) 4.05
Bore (mm) 102.9
Oversized No
Oversize STD
Ring Pack 5/64, 3/32, 3/16
Top Land .230
Pin Number 0975x305A
Pin Type Floating
Pin Configuration Offset
Lock 98
Compression Height IN 1.66
Compression Height MM 42.1
Crown Type DISH
Crown (cc) +9.5cc
Compression Ratio 8.2
Oversizes STD .020 .030 .040 .060
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