Holden 3.8 Buick Ecotec Supercharged Forged Pistons

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Engine:   3.8 Buick Ecotec OHV 12v Supercharged
Capacity:   3791cc
Cylinders:   6
Bore Size:   96.52mm/3.8in
Stroke:   86.4mm/3.4in

 Piston Assembly Set (Includes Piston Rings)
Part # 6MKRY9705
Sizes available: STD, 020
 Piston Information  Piston Ring Information
Piston Type Forged Ring Set Part # M1947
Compression Height 30.9mm/1.216in Sizes Available: STD, 020, 040
Piston Crown Capacity 14cc Ring 1 Ring 2 Ring 3
  Dish Type

Steel Nitrided

Barrel plain

Reverse torsional taper face scraper Duraflex 3 piece oil ring
Bowl Depth 3.55mm/0.139in Width 1.2mm/0.0472in 1.5mm/0.059in 2mm/0.078n
Compression Ratio 8.5 Depth 3.683mm/0.145in 3.937mm/0.155in 3.65mm/0.143in
Piston Mass 374 grams



Pin Mass 108 grams
Pin Diameter 23mm/0.905in
Pin Locking Device
 Round Wire
Clearance 0.1mm/0.003in
Skirt Coated No

 
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