Subaru: EJ25 (DOHC) – Dish Top: 1.191 C/H – 3.937 Bore – -22.50CC – #99738

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[Please Note]: Image is a representation of this item. Actual item may vary.

Piston Top Type: Dish Top
Bore: 3.937(in) – 100.00(mm)
Stroke: 3.110
Rod Length: 5.135
Head CC: 48.0
Compression Height: 1.191
Compression Ratio: 8.50
Dome Volume: -22.50
Gram Weight: 393
Rings: 1.5 1.5 3.0
Rings Included: NO
Pin Type: H-13 Taper Wall
Note: Compression Ratio based on factory head and gasket.