Ford 4.0L EF-EL Cast Pistons
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PISTONS
Engine:
4.0L EF-EL SOHC 12v
Capacity:
3984cc
Cylinders:
6
Bore Size:
92mm/3.62in
Stroke:
96.31mm/3.79in
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Piston Assembly Set
Part #
6MKRY9400
(includes pre-gapped Piston Rings)
Sizes available:
0.5, 1.0
Piston Information
Piston Ring Information
Piston Type
Cast
Pregapped Ring Set Part #
M1762
Compression Height
25.5mm/1.004in
Sizes Available:
0.5, 1.0
Piston Crown Capacity
5cc
File Back Ring Set Part #
N/A
Dish
Sizes Available:
N/A
Bowl Depth
-1mm/-0.039in
Ring 1
Ring 2
Ring 3
Rod Length
6.057in/149.35
mm
Type
Barrel plain
Moly Coated
Reverse torsional taper face scraper
Duraflex 3 piece oil ring
Compression Ratio at
Total Clearance Volume
9.6:1 at 78cc
Width
1.5mm/0.059in
1.5mm/0.059in
3mm/0.118in
Piston Crown Thickness
7.3mm
Depth
3.4mm/0.134in
4.1mm/0.161in
4mm/0.157in
Piston Mass
460 grams (1.0)
Pin Mass
105 grams
Pin Diameter
23.17mm/0.912in
Pin Locking Device
Press Fit
Clearance
Stamped on piston crown
Skirt Coated
No
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