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Wiseco Pro Tru Compact Series Piston Kit (99-11 Subaru Impreza, 99-10 Subaru Forester, 00-12 Subaru Legacy) K599M995

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Pro Tru sets include plasma moly 1/16, 1/16, 3/16 pre-gapped ring packages which provide excellent seal, friction reduction, and long life. Pro Tru pistons also come in a variety of volumes that allow the engine builder to choose the exact compression ratio required for their engine. 


Bore (in):3.917 in.

Bore (mm):99.500mm

Piston Style:Dish, with four valve reliefs

Piston Material:Forged aluminum

Compression Distance (in):1.191 in.

Piston Head Volume (cc):+27.00cc

Wrist Pin Style:Press-fit or floating

Pin Diameter (in):0.906 in.


File Fit:No

Top Ring Thickness:1.2mm

Top Ring Material:Steel

Top Ring Facing Material:Phosphate coated

Second Ring Thickness:1.5mm

Second Ring Material:Cast iron

Second Ring Facing Material:Phosphate coated

Oil Ring Thickness:2.0mm

Oil Ring Material:Stainless steel

Oil Ring Tension:Standard

Quantity:Sold as a kit.

Part # K599M995

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