Wiseco Pro Tru Compact Series Piston Kit for (94 Nissan Skyline) K578M865AP

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):3.405 in.

Bore (mm):86.500mm

Piston Style:Dome, with four valve reliefs

Piston Material:Forged aluminum

Compression Distance (in):1.240 in.

Piston Head Volume (cc):-14.00cc

Wrist Pin Style:Press-fit or floating

Pin Diameter (in):0.826 in.

Gapless:No

File Fit:Yes

Top Ring Thickness:1.0mm

Top Ring Material:Steel

Top Ring Facing Material:Gas nitrided

Second Ring Thickness:1.2mm

Second Ring Material:Cast iron

Second Ring Facing Material:Phosphate coated

Oil Ring Thickness:2.8mm

Oil Ring Material:Stainless steel

Oil Ring Tension:Standard

Quantity:Sold as a kit.

Notes:Fits RB25DET 24-valve engines

Part # K578M865AP