Subaru EJ20T Forged Pistons

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Engine:   EJ20T DOHC 16v Turbo
Capacity:   1994cc
Cylinders:   4
Bore Size:   92mm/3.622in
Stroke:   75mm/2.953in

 Piston Assembly Set (Includes Piston Rings)
Part # 4MKRY9621S
Sizes available: STD, 0.50
 Piston Information  Piston Ring Information
Piston Type Forged Ring Set Part # C1956
Compression Height 32.56mm/1.282in Sizes Available: STD, 0.5, 1.00
Piston Crown Capacity 12.5cc Ring 1 Ring 2 Ring 3
  Dish Type

Steel Nitrided

Barrel plain

Reverse torsional taper face scraper Duraflex 3 piece oil ring
Bowl Depth 2.6mm/0.102in Width 1.2mm/0.0472in 1.2mm/0.0472in 3.353mm/0.132in
Compression Ratio 8.5 Depth 3.429mm/0.135in 3.937mm/0.155in 3.353mm/0.132in
Piston Mass 349 grams



Pin Mass 123 grams
Pin Diameter 23mm/0.906in
Pin Locking Device
 Spiral Lock
Clearance
Skirt Coated Yes

 
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