Ford 188 Cast Pistons

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Engine:   188 OHV 12v
Capacity:   188ci
Cylinders:   6
Bore Size:   93.47mm/3.68in
Stroke:   74.68mm/2.94in

 Piston Assembly Set
Part # 6MKRY9410 (includes pre-gapped Piston Rings)
Sizes available: 020,030,040
 Piston Information  Piston Ring Information
Piston Type Cast Pre­gapped Ring Set Part # M9123
Compression Height 38.6mm/1.519in Sizes Available: 020, 030, 040
Piston Crown Capacity 0cc File Back Ring Set Part #
Sizes Available:
Bowl Depth 0mm Ring 1 Ring 2 Ring 3
Rod Length 5.88in/149.35mm Type

Barrel plain

Moly Coated

Reverse torsional taper face scraper Duraflex 3 piece oil ring
Compression Ratio at
Total Clearance Volume
10.6:1 at 72cc Width 1.5mm/0.059in 1.5mm/0.059in 4mm/0.157in
Piston Crown Thickness 10.16mm Depth 3.429mm/0.135in 4.064mm/0.16in 3.81mm/0.15in
Piston Mass 509 grams (STD)



Pin Mass 115 grams
Pin Diameter 23.17mm/0.912in
Pin Locking Device
Press Fit
Clearance Stamped on piston crown
Skirt Coated No

 
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