Wiseco Pro Tru Compact Series Piston Kit for Subaru EJ257
Description
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):3.937 in.
Bore (mm):100.000mm
Piston Style:Dish, with four valve reliefs
Piston Material:Forged aluminum
Compression Distance (in):1.209 in.
Piston Head Volume (cc):+19.00cc
Wrist Pin Style:Press-fit or floating
Pin Diameter (in):0.906 in.
Gapless:No
File Fit:Yes
Top Ring Thickness:1.2mm
Top Ring Material:Steel
Top Ring Facing Material:Gas nitrided
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.
Notes:Designed for EJ257 2.5L 16V engines 2004 and later.
Part # K598M100AP
